21287605260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1\times {\mathrm{9151}}^1$

素因数の和:9583

約数の個数: 96

約数和(自身を含む): 60259110912

約数和(自身を除く): 38971505652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 283, 411, 548, 566, 685, 822, 849, 1132, 1370, 1415, 1644, 1698, 2055, 2740, 2830, 3396, 4110, 4245, 5660, 8220, 8490, 9151, 16980, 18302, 27453, 36604, 38771, 45755, 54906, 77542, 91510, 109812, 116313, 137265, 155084, 183020, 193855, 232626, 274530, 387710, 465252, 549060, 581565, 775420, 1163130, 1253687, 2326260, 2507374, 2589733, 3761061, 5014748, 5179466, 6268435, 7522122, 7769199, 10358932, 12536870, 12948665, 15044244, 15538398, 18805305, 25073740, 25897330, 31076796, 37610610, 38845995, 51794660, 75221220, 77691990, 155383980, 354793421, 709586842, 1064380263, 1419173684, 1773967105, 2128760526, 3547934210, 4257521052, 5321901315, 7095868420, 10643802630, 21287605260]

約数ペア:

[(1, 21287605260), (2, 10643802630), (3, 7095868420), (4, 5321901315), (5, 4257521052), (6, 3547934210), (10, 2128760526), (12, 1773967105), (15, 1419173684), (20, 1064380263), (30, 709586842), (60, 354793421), (137, 155383980), (274, 77691990), (283, 75221220), (411, 51794660), (548, 38845995), (566, 37610610), (685, 31076796), (822, 25897330), (849, 25073740), (1132, 18805305), (1370, 15538398), (1415, 15044244), (1644, 12948665), (1698, 12536870), (2055, 10358932), (2740, 7769199), (2830, 7522122), (3396, 6268435), (4110, 5179466), (4245, 5014748), (5660, 3761061), (8220, 2589733), (8490, 2507374), (9151, 2326260), (16980, 1253687), (18302, 1163130), (27453, 775420), (36604, 581565), (38771, 549060), (45755, 465252), (54906, 387710), (77542, 274530), (91510, 232626), (109812, 193855), (116313, 183020), (137265, 155084)]