21242022070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{8161}}^1$

素因数の和:8497

約数の個数: 64

約数和(自身を含む): 41317480512

約数和(自身を除く): 20075458442

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 251, 305, 502, 610, 1037, 1255, 2074, 2510, 4267, 5185, 8161, 8534, 10370, 15311, 16322, 21335, 30622, 40805, 42670, 76555, 81610, 138737, 153110, 260287, 277474, 497821, 520574, 693685, 995642, 1301435, 1387370, 2048411, 2489105, 2602870, 4096822, 4978210, 8462957, 10242055, 16925914, 20484110, 34822987, 42314785, 69645974, 84629570, 124953071, 174114935, 249906142, 348229870, 624765355, 1249530710, 2124202207, 4248404414, 10621011035, 21242022070]

約数ペア:

[(1, 21242022070), (2, 10621011035), (5, 4248404414), (10, 2124202207), (17, 1249530710), (34, 624765355), (61, 348229870), (85, 249906142), (122, 174114935), (170, 124953071), (251, 84629570), (305, 69645974), (502, 42314785), (610, 34822987), (1037, 20484110), (1255, 16925914), (2074, 10242055), (2510, 8462957), (4267, 4978210), (5185, 4096822), (8161, 2602870), (8534, 2489105), (10370, 2048411), (15311, 1387370), (16322, 1301435), (21335, 995642), (30622, 693685), (40805, 520574), (42670, 497821), (76555, 277474), (81610, 260287), (138737, 153110)]