21260236030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{73}}^1\times {\mathrm{21881}}^1$

素因数の和:21994

約数の個数: 64

約数和(自身を含む): 42670950336

約数和(自身を除く): 21410714306

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 121, 146, 242, 365, 605, 730, 803, 1210, 1331, 1606, 2662, 4015, 6655, 8030, 8833, 13310, 17666, 21881, 43762, 44165, 88330, 97163, 109405, 194326, 218810, 240691, 481382, 485815, 971630, 1203455, 1597313, 2406910, 2647601, 3194626, 5295202, 7986565, 13238005, 15973130, 17570443, 26476010, 29123611, 35140886, 58247222, 87852215, 145618055, 175704430, 193274873, 291236110, 386549746, 966374365, 1932748730, 2126023603, 4252047206, 10630118015, 21260236030]

約数ペア:

[(1, 21260236030), (2, 10630118015), (5, 4252047206), (10, 2126023603), (11, 1932748730), (22, 966374365), (55, 386549746), (73, 291236110), (110, 193274873), (121, 175704430), (146, 145618055), (242, 87852215), (365, 58247222), (605, 35140886), (730, 29123611), (803, 26476010), (1210, 17570443), (1331, 15973130), (1606, 13238005), (2662, 7986565), (4015, 5295202), (6655, 3194626), (8030, 2647601), (8833, 2406910), (13310, 1597313), (17666, 1203455), (21881, 971630), (43762, 485815), (44165, 481382), (88330, 240691), (97163, 218810), (109405, 194326)]