21413307970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103561}}^1$

素因数の和:103651

約数の個数: 64

約数和(自身を含む): 42949232640

約数和(自身を除く): 21535924670

約数列:

[1, 2, 5, 10, 23, 29, 31, 46, 58, 62, 115, 145, 155, 230, 290, 310, 667, 713, 899, 1334, 1426, 1798, 3335, 3565, 4495, 6670, 7130, 8990, 20677, 41354, 103385, 103561, 206770, 207122, 517805, 1035610, 2381903, 3003269, 3210391, 4763806, 6006538, 6420782, 11909515, 15016345, 16051955, 23819030, 30032690, 32103910, 69075187, 73838993, 93101339, 138150374, 147677986, 186202678, 345375935, 369194965, 465506695, 690751870, 738389930, 931013390, 2141330797, 4282661594, 10706653985, 21413307970]

約数ペア:

[(1, 21413307970), (2, 10706653985), (5, 4282661594), (10, 2141330797), (23, 931013390), (29, 738389930), (31, 690751870), (46, 465506695), (58, 369194965), (62, 345375935), (115, 186202678), (145, 147677986), (155, 138150374), (230, 93101339), (290, 73838993), (310, 69075187), (667, 32103910), (713, 30032690), (899, 23819030), (1334, 16051955), (1426, 15016345), (1798, 11909515), (3335, 6420782), (3565, 6006538), (4495, 4763806), (6670, 3210391), (7130, 3003269), (8990, 2381903), (20677, 1035610), (41354, 517805), (103385, 207122), (103561, 206770)]