21250620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 51325380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 29, 30, 36, 45, 46, 54, 58, 59, 60, 69, 87, 90, 92, 108, 115, 116, 118, 135, 138, 145, 174, 177, 180, 207, 230, 236, 261, 270, 276, 290, 295, 345, 348, 354, 414, 435, 460, 522, 531, 540, 580, 590, 621, 667, 690, 708, 783, 828, 870, 885, 1035, 1044, 1062, 1180, 1242, 1305, 1334, 1357, 1380, 1566, 1593, 1711, 1740, 1770, 2001, 2070, 2124, 2484, 2610, 2655, 2668, 2714, 3105, 3132, 3186, 3335, 3422, 3540, 3915, 4002, 4071, 4140, 5133, 5220, 5310, 5428, 6003, 6210, 6372, 6670, 6785, 6844, 7830, 7965, 8004, 8142, 8555, 10005, 10266, 10620, 12006, 12213, 12420, 13340, 13570, 15399, 15660, 15930, 16284, 17110, 18009, 20010, 20355, 20532, 24012, 24426, 25665, 27140, 30015, 30798, 31860, 34220, 36018, 36639, 39353, 40020, 40710, 46197, 48852, 51330, 60030, 61065, 61596, 72036, 73278, 76995, 78706, 81420, 90045, 92394, 102660, 118059, 120060, 122130, 146556, 153990, 157412, 180090, 183195, 184788, 196765, 230985, 236118, 244260, 307980, 354177, 360180, 366390, 393530, 461970, 472236, 590295, 708354, 732780, 787060, 923940, 1062531, 1180590, 1416708, 1770885, 2125062, 2361180, 3541770, 4250124, 5312655, 7083540, 10625310, 21250620]

約数ペア:

[(1, 21250620), (2, 10625310), (3, 7083540), (4, 5312655), (5, 4250124), (6, 3541770), (9, 2361180), (10, 2125062), (12, 1770885), (15, 1416708), (18, 1180590), (20, 1062531), (23, 923940), (27, 787060), (29, 732780), (30, 708354), (36, 590295), (45, 472236), (46, 461970), (54, 393530), (58, 366390), (59, 360180), (60, 354177), (69, 307980), (87, 244260), (90, 236118), (92, 230985), (108, 196765), (115, 184788), (116, 183195), (118, 180090), (135, 157412), (138, 153990), (145, 146556), (174, 122130), (177, 120060), (180, 118059), (207, 102660), (230, 92394), (236, 90045), (261, 81420), (270, 78706), (276, 76995), (290, 73278), (295, 72036), (345, 61596), (348, 61065), (354, 60030), (414, 51330), (435, 48852), (460, 46197), (522, 40710), (531, 40020), (540, 39353), (580, 36639), (590, 36018), (621, 34220), (667, 31860), (690, 30798), (708, 30015), (783, 27140), (828, 25665), (870, 24426), (885, 24012), (1035, 20532), (1044, 20355), (1062, 20010), (1180, 18009), (1242, 17110), (1305, 16284), (1334, 15930), (1357, 15660), (1380, 15399), (1566, 13570), (1593, 13340), (1711, 12420), (1740, 12213), (1770, 12006), (2001, 10620), (2070, 10266), (2124, 10005), (2484, 8555), (2610, 8142), (2655, 8004), (2668, 7965), (2714, 7830), (3105, 6844), (3132, 6785), (3186, 6670), (3335, 6372), (3422, 6210), (3540, 6003), (3915, 5428), (4002, 5310), (4071, 5220), (4140, 5133)]