21436116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 58423680

約数和(自身を除く): 36987564

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 59, 68, 78, 102, 118, 137, 156, 177, 204, 221, 236, 274, 354, 411, 442, 548, 663, 708, 767, 822, 884, 1003, 1326, 1534, 1644, 1781, 2006, 2301, 2329, 2652, 3009, 3068, 3562, 4012, 4602, 4658, 5343, 6018, 6987, 7124, 8083, 9204, 9316, 10686, 12036, 13039, 13974, 16166, 21372, 24249, 26078, 27948, 30277, 32332, 39117, 48498, 52156, 60554, 78234, 90831, 96996, 105079, 121108, 137411, 156468, 181662, 210158, 274822, 315237, 363324, 412233, 420316, 549644, 630474, 824466, 1260948, 1648932, 1786343, 3572686, 5359029, 7145372, 10718058, 21436116]

約数ペア:

[(1, 21436116), (2, 10718058), (3, 7145372), (4, 5359029), (6, 3572686), (12, 1786343), (13, 1648932), (17, 1260948), (26, 824466), (34, 630474), (39, 549644), (51, 420316), (52, 412233), (59, 363324), (68, 315237), (78, 274822), (102, 210158), (118, 181662), (137, 156468), (156, 137411), (177, 121108), (204, 105079), (221, 96996), (236, 90831), (274, 78234), (354, 60554), (411, 52156), (442, 48498), (548, 39117), (663, 32332), (708, 30277), (767, 27948), (822, 26078), (884, 24249), (1003, 21372), (1326, 16166), (1534, 13974), (1644, 13039), (1781, 12036), (2006, 10686), (2301, 9316), (2329, 9204), (2652, 8083), (3009, 7124), (3068, 6987), (3562, 6018), (4012, 5343), (4602, 4658)]