21440613220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{15527}}^1$

素因数の和:15709

約数の個数: 96

約数和(自身を含む): 49961899008

約数和(自身を除く): 28521285788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 113, 130, 188, 226, 235, 260, 452, 470, 565, 611, 940, 1130, 1222, 1469, 2260, 2444, 2938, 3055, 5311, 5876, 6110, 7345, 10622, 12220, 14690, 15527, 21244, 26555, 29380, 31054, 53110, 62108, 69043, 77635, 106220, 138086, 155270, 201851, 276172, 310540, 345215, 403702, 690430, 729769, 807404, 1009255, 1380860, 1459538, 1754551, 2018510, 2919076, 3509102, 3648845, 4037020, 7018204, 7297690, 8772755, 9486997, 14595380, 17545510, 18973994, 22809163, 35091020, 37947988, 45618326, 47434985, 82463897, 91236652, 94869970, 114045815, 164927794, 189739940, 228091630, 329855588, 412319485, 456183260, 824638970, 1072030661, 1649277940, 2144061322, 4288122644, 5360153305, 10720306610, 21440613220]

約数ペア:

[(1, 21440613220), (2, 10720306610), (4, 5360153305), (5, 4288122644), (10, 2144061322), (13, 1649277940), (20, 1072030661), (26, 824638970), (47, 456183260), (52, 412319485), (65, 329855588), (94, 228091630), (113, 189739940), (130, 164927794), (188, 114045815), (226, 94869970), (235, 91236652), (260, 82463897), (452, 47434985), (470, 45618326), (565, 37947988), (611, 35091020), (940, 22809163), (1130, 18973994), (1222, 17545510), (1469, 14595380), (2260, 9486997), (2444, 8772755), (2938, 7297690), (3055, 7018204), (5311, 4037020), (5876, 3648845), (6110, 3509102), (7345, 2919076), (10622, 2018510), (12220, 1754551), (14690, 1459538), (15527, 1380860), (21244, 1009255), (26555, 807404), (29380, 729769), (31054, 690430), (53110, 403702), (62108, 345215), (69043, 310540), (77635, 276172), (106220, 201851), (138086, 155270)]