21103763330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1\times {\mathrm{5557}}^1$

素因数の和:5931

約数の個数: 64

約数和(自身を含む): 41413413888

約数和(自身を除く): 20309650558

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 223, 262, 446, 655, 1115, 1310, 1703, 2230, 2899, 3406, 5557, 5798, 8515, 11114, 14495, 17030, 27785, 28990, 29213, 55570, 58426, 72241, 144482, 146065, 292130, 361205, 379769, 722410, 727967, 759538, 1239211, 1455934, 1898845, 2478422, 3639835, 3797690, 6196055, 7279670, 9463571, 12392110, 16109743, 18927142, 32219486, 47317855, 80548715, 94635710, 161097430, 162336641, 324673282, 811683205, 1623366410, 2110376333, 4220752666, 10551881665, 21103763330]

約数ペア:

[(1, 21103763330), (2, 10551881665), (5, 4220752666), (10, 2110376333), (13, 1623366410), (26, 811683205), (65, 324673282), (130, 162336641), (131, 161097430), (223, 94635710), (262, 80548715), (446, 47317855), (655, 32219486), (1115, 18927142), (1310, 16109743), (1703, 12392110), (2230, 9463571), (2899, 7279670), (3406, 6196055), (5557, 3797690), (5798, 3639835), (8515, 2478422), (11114, 1898845), (14495, 1455934), (17030, 1239211), (27785, 759538), (28990, 727967), (29213, 722410), (55570, 379769), (58426, 361205), (72241, 292130), (144482, 146065)]