21877861630

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:1129

約数の個数: 64

約数和(自身を含む): 40298342400

約数和(自身を除く): 18420480770

約数列:

[1, 2, 5, 10, 89, 163, 178, 239, 326, 445, 478, 631, 815, 890, 1195, 1262, 1630, 2390, 3155, 6310, 14507, 21271, 29014, 38957, 42542, 56159, 72535, 77914, 102853, 106355, 112318, 145070, 150809, 194785, 205706, 212710, 280795, 301618, 389570, 514265, 561590, 754045, 1028530, 1508090, 3467173, 6934346, 9153917, 13422001, 17335865, 18307834, 24581867, 26844002, 34671730, 45769585, 49163734, 67110005, 91539170, 122909335, 134220010, 245818670, 2187786163, 4375572326, 10938930815, 21877861630]

約数ペア:

[(1, 21877861630), (2, 10938930815), (5, 4375572326), (10, 2187786163), (89, 245818670), (163, 134220010), (178, 122909335), (239, 91539170), (326, 67110005), (445, 49163734), (478, 45769585), (631, 34671730), (815, 26844002), (890, 24581867), (1195, 18307834), (1262, 17335865), (1630, 13422001), (2390, 9153917), (3155, 6934346), (6310, 3467173), (14507, 1508090), (21271, 1028530), (29014, 754045), (38957, 561590), (42542, 514265), (56159, 389570), (72535, 301618), (77914, 280795), (102853, 212710), (106355, 205706), (112318, 194785), (145070, 150809)]