21459672

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 63488880

約数和(自身を除く): 42029208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 101, 104, 117, 156, 202, 227, 234, 303, 312, 404, 454, 468, 606, 681, 808, 908, 909, 936, 1212, 1313, 1362, 1816, 1818, 2043, 2424, 2626, 2724, 2951, 3636, 3939, 4086, 5252, 5448, 5902, 7272, 7878, 8172, 8853, 10504, 11804, 11817, 15756, 16344, 17706, 22927, 23608, 23634, 26559, 31512, 35412, 45854, 47268, 53118, 68781, 70824, 91708, 94536, 106236, 137562, 183416, 206343, 212472, 275124, 298051, 412686, 550248, 596102, 825372, 894153, 1192204, 1650744, 1788306, 2384408, 2682459, 3576612, 5364918, 7153224, 10729836, 21459672]

約数ペア:

[(1, 21459672), (2, 10729836), (3, 7153224), (4, 5364918), (6, 3576612), (8, 2682459), (9, 2384408), (12, 1788306), (13, 1650744), (18, 1192204), (24, 894153), (26, 825372), (36, 596102), (39, 550248), (52, 412686), (72, 298051), (78, 275124), (101, 212472), (104, 206343), (117, 183416), (156, 137562), (202, 106236), (227, 94536), (234, 91708), (303, 70824), (312, 68781), (404, 53118), (454, 47268), (468, 45854), (606, 35412), (681, 31512), (808, 26559), (908, 23634), (909, 23608), (936, 22927), (1212, 17706), (1313, 16344), (1362, 15756), (1816, 11817), (1818, 11804), (2043, 10504), (2424, 8853), (2626, 8172), (2724, 7878), (2951, 7272), (3636, 5902), (3939, 5448), (4086, 5252)]