21107632

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 54423600

約数和(自身を除く): 33315968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 109, 112, 133, 152, 182, 196, 208, 218, 247, 266, 304, 364, 392, 436, 494, 532, 637, 728, 763, 784, 872, 931, 988, 1064, 1274, 1417, 1456, 1526, 1729, 1744, 1862, 1976, 2071, 2128, 2548, 2834, 3052, 3458, 3724, 3952, 4142, 5096, 5341, 5668, 6104, 6916, 7448, 8284, 9919, 10192, 10682, 11336, 12103, 12208, 13832, 14497, 14896, 16568, 19838, 21364, 22672, 24206, 26923, 27664, 28994, 33136, 39676, 42728, 48412, 53846, 57988, 69433, 79352, 85456, 96824, 101479, 107692, 115976, 138866, 158704, 188461, 193648, 202958, 215384, 231952, 277732, 376922, 405916, 430768, 555464, 753844, 811832, 1110928, 1319227, 1507688, 1623664, 2638454, 3015376, 5276908, 10553816, 21107632]

約数ペア:

[(1, 21107632), (2, 10553816), (4, 5276908), (7, 3015376), (8, 2638454), (13, 1623664), (14, 1507688), (16, 1319227), (19, 1110928), (26, 811832), (28, 753844), (38, 555464), (49, 430768), (52, 405916), (56, 376922), (76, 277732), (91, 231952), (98, 215384), (104, 202958), (109, 193648), (112, 188461), (133, 158704), (152, 138866), (182, 115976), (196, 107692), (208, 101479), (218, 96824), (247, 85456), (266, 79352), (304, 69433), (364, 57988), (392, 53846), (436, 48412), (494, 42728), (532, 39676), (637, 33136), (728, 28994), (763, 27664), (784, 26923), (872, 24206), (931, 22672), (988, 21364), (1064, 19838), (1274, 16568), (1417, 14896), (1456, 14497), (1526, 13832), (1729, 12208), (1744, 12103), (1862, 11336), (1976, 10682), (2071, 10192), (2128, 9919), (2548, 8284), (2834, 7448), (3052, 6916), (3458, 6104), (3724, 5668), (3952, 5341), (4142, 5096)]