21010642920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{15727}}^1$

素因数の和:16984

約数の個数: 128

約数和(自身を含む): 70096550400

約数和(自身を除く): 49085907480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1237, 2474, 3711, 4948, 6185, 7422, 9896, 11133, 12370, 14844, 15727, 18555, 22266, 24740, 29688, 31454, 33399, 37110, 44532, 47181, 49480, 55665, 62908, 66798, 74220, 78635, 89064, 94362, 111330, 125816, 133596, 141543, 148440, 157270, 166995, 188724, 222660, 235905, 267192, 283086, 314540, 333990, 377448, 424629, 445320, 471810, 566172, 629080, 667980, 707715, 849258, 943620, 1132344, 1335960, 1415430, 1698516, 1887240, 2123145, 2830860, 3397032, 4246290, 5661720, 8492580, 16985160, 19454299, 38908598, 58362897, 77817196, 97271495, 116725794, 155634392, 175088691, 194542990, 233451588, 291814485, 350177382, 389085980, 466903176, 525266073, 583628970, 700354764, 778171960, 875443455, 1050532146, 1167257940, 1400709528, 1750886910, 2101064292, 2334515880, 2626330365, 3501773820, 4202128584, 5252660730, 7003547640, 10505321460, 21010642920]

約数ペア:

[(1, 21010642920), (2, 10505321460), (3, 7003547640), (4, 5252660730), (5, 4202128584), (6, 3501773820), (8, 2626330365), (9, 2334515880), (10, 2101064292), (12, 1750886910), (15, 1400709528), (18, 1167257940), (20, 1050532146), (24, 875443455), (27, 778171960), (30, 700354764), (36, 583628970), (40, 525266073), (45, 466903176), (54, 389085980), (60, 350177382), (72, 291814485), (90, 233451588), (108, 194542990), (120, 175088691), (135, 155634392), (180, 116725794), (216, 97271495), (270, 77817196), (360, 58362897), (540, 38908598), (1080, 19454299), (1237, 16985160), (2474, 8492580), (3711, 5661720), (4948, 4246290), (6185, 3397032), (7422, 2830860), (9896, 2123145), (11133, 1887240), (12370, 1698516), (14844, 1415430), (15727, 1335960), (18555, 1132344), (22266, 943620), (24740, 849258), (29688, 707715), (31454, 667980), (33399, 629080), (37110, 566172), (44532, 471810), (47181, 445320), (49480, 424629), (55665, 377448), (62908, 333990), (66798, 314540), (74220, 283086), (78635, 267192), (89064, 235905), (94362, 222660), (111330, 188724), (125816, 166995), (133596, 157270), (141543, 148440)]