21089160

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:329

約数の個数: 160

約数和(自身を含む): 74226240

約数和(自身を除く): 53137080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 276, 283, 324, 345, 360, 405, 414, 460, 540, 552, 566, 621, 648, 690, 810, 828, 849, 920, 1035, 1080, 1132, 1242, 1380, 1415, 1620, 1656, 1698, 1863, 2070, 2264, 2484, 2547, 2760, 2830, 3105, 3240, 3396, 3726, 4140, 4245, 4968, 5094, 5660, 6210, 6509, 6792, 7452, 7641, 8280, 8490, 9315, 10188, 11320, 12420, 12735, 13018, 14904, 15282, 16980, 18630, 19527, 20376, 22923, 24840, 25470, 26036, 30564, 32545, 33960, 37260, 38205, 39054, 45846, 50940, 52072, 58581, 61128, 65090, 74520, 76410, 78108, 91692, 97635, 101880, 114615, 117162, 130180, 152820, 156216, 175743, 183384, 195270, 229230, 234324, 260360, 292905, 305640, 351486, 390540, 458460, 468648, 527229, 585810, 702972, 781080, 878715, 916920, 1054458, 1171620, 1405944, 1757430, 2108916, 2343240, 2636145, 3514860, 4217832, 5272290, 7029720, 10544580, 21089160]

約数ペア:

[(1, 21089160), (2, 10544580), (3, 7029720), (4, 5272290), (5, 4217832), (6, 3514860), (8, 2636145), (9, 2343240), (10, 2108916), (12, 1757430), (15, 1405944), (18, 1171620), (20, 1054458), (23, 916920), (24, 878715), (27, 781080), (30, 702972), (36, 585810), (40, 527229), (45, 468648), (46, 458460), (54, 390540), (60, 351486), (69, 305640), (72, 292905), (81, 260360), (90, 234324), (92, 229230), (108, 195270), (115, 183384), (120, 175743), (135, 156216), (138, 152820), (162, 130180), (180, 117162), (184, 114615), (207, 101880), (216, 97635), (230, 91692), (270, 78108), (276, 76410), (283, 74520), (324, 65090), (345, 61128), (360, 58581), (405, 52072), (414, 50940), (460, 45846), (540, 39054), (552, 38205), (566, 37260), (621, 33960), (648, 32545), (690, 30564), (810, 26036), (828, 25470), (849, 24840), (920, 22923), (1035, 20376), (1080, 19527), (1132, 18630), (1242, 16980), (1380, 15282), (1415, 14904), (1620, 13018), (1656, 12735), (1698, 12420), (1863, 11320), (2070, 10188), (2264, 9315), (2484, 8490), (2547, 8280), (2760, 7641), (2830, 7452), (3105, 6792), (3240, 6509), (3396, 6210), (3726, 5660), (4140, 5094), (4245, 4968)]