21338640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 200

約数和(自身を含む): 76970520

約数和(自身を除く): 55631880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 89, 90, 108, 111, 120, 135, 144, 148, 162, 178, 180, 185, 216, 222, 240, 267, 270, 296, 324, 333, 356, 360, 370, 405, 432, 444, 445, 534, 540, 555, 592, 648, 666, 712, 720, 740, 801, 810, 888, 890, 999, 1068, 1080, 1110, 1296, 1332, 1335, 1424, 1480, 1602, 1620, 1665, 1776, 1780, 1998, 2136, 2160, 2220, 2403, 2664, 2670, 2960, 2997, 3204, 3240, 3293, 3330, 3560, 3996, 4005, 4272, 4440, 4806, 4995, 5328, 5340, 5994, 6408, 6480, 6586, 6660, 7120, 7209, 7992, 8010, 8880, 9612, 9879, 9990, 10680, 11988, 12015, 12816, 13172, 13320, 14418, 14985, 15984, 16020, 16465, 19224, 19758, 19980, 21360, 23976, 24030, 26344, 26640, 28836, 29637, 29970, 32040, 32930, 36045, 38448, 39516, 39960, 47952, 48060, 49395, 52688, 57672, 59274, 59940, 64080, 65860, 72090, 79032, 79920, 88911, 96120, 98790, 115344, 118548, 119880, 131720, 144180, 148185, 158064, 177822, 192240, 197580, 237096, 239760, 263440, 266733, 288360, 296370, 355644, 395160, 444555, 474192, 533466, 576720, 592740, 711288, 790320, 889110, 1066932, 1185480, 1333665, 1422576, 1778220, 2133864, 2370960, 2667330, 3556440, 4267728, 5334660, 7112880, 10669320, 21338640]

約数ペア:

[(1, 21338640), (2, 10669320), (3, 7112880), (4, 5334660), (5, 4267728), (6, 3556440), (8, 2667330), (9, 2370960), (10, 2133864), (12, 1778220), (15, 1422576), (16, 1333665), (18, 1185480), (20, 1066932), (24, 889110), (27, 790320), (30, 711288), (36, 592740), (37, 576720), (40, 533466), (45, 474192), (48, 444555), (54, 395160), (60, 355644), (72, 296370), (74, 288360), (80, 266733), (81, 263440), (89, 239760), (90, 237096), (108, 197580), (111, 192240), (120, 177822), (135, 158064), (144, 148185), (148, 144180), (162, 131720), (178, 119880), (180, 118548), (185, 115344), (216, 98790), (222, 96120), (240, 88911), (267, 79920), (270, 79032), (296, 72090), (324, 65860), (333, 64080), (356, 59940), (360, 59274), (370, 57672), (405, 52688), (432, 49395), (444, 48060), (445, 47952), (534, 39960), (540, 39516), (555, 38448), (592, 36045), (648, 32930), (666, 32040), (712, 29970), (720, 29637), (740, 28836), (801, 26640), (810, 26344), (888, 24030), (890, 23976), (999, 21360), (1068, 19980), (1080, 19758), (1110, 19224), (1296, 16465), (1332, 16020), (1335, 15984), (1424, 14985), (1480, 14418), (1602, 13320), (1620, 13172), (1665, 12816), (1776, 12015), (1780, 11988), (1998, 10680), (2136, 9990), (2160, 9879), (2220, 9612), (2403, 8880), (2664, 8010), (2670, 7992), (2960, 7209), (2997, 7120), (3204, 6660), (3240, 6586), (3293, 6480), (3330, 6408), (3560, 5994), (3996, 5340), (4005, 5328), (4272, 4995), (4440, 4806)]