21639384

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 64318800

約数和(自身を除く): 42679416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 61, 72, 78, 104, 117, 122, 156, 183, 234, 244, 312, 366, 379, 468, 488, 549, 732, 758, 793, 936, 1098, 1137, 1464, 1516, 1586, 2196, 2274, 2379, 3032, 3172, 3411, 4392, 4548, 4758, 4927, 6344, 6822, 7137, 9096, 9516, 9854, 13644, 14274, 14781, 19032, 19708, 23119, 27288, 28548, 29562, 39416, 44343, 46238, 57096, 59124, 69357, 88686, 92476, 118248, 138714, 177372, 184952, 208071, 277428, 300547, 354744, 416142, 554856, 601094, 832284, 901641, 1202188, 1664568, 1803282, 2404376, 2704923, 3606564, 5409846, 7213128, 10819692, 21639384]

約数ペア:

[(1, 21639384), (2, 10819692), (3, 7213128), (4, 5409846), (6, 3606564), (8, 2704923), (9, 2404376), (12, 1803282), (13, 1664568), (18, 1202188), (24, 901641), (26, 832284), (36, 601094), (39, 554856), (52, 416142), (61, 354744), (72, 300547), (78, 277428), (104, 208071), (117, 184952), (122, 177372), (156, 138714), (183, 118248), (234, 92476), (244, 88686), (312, 69357), (366, 59124), (379, 57096), (468, 46238), (488, 44343), (549, 39416), (732, 29562), (758, 28548), (793, 27288), (936, 23119), (1098, 19708), (1137, 19032), (1464, 14781), (1516, 14274), (1586, 13644), (2196, 9854), (2274, 9516), (2379, 9096), (3032, 7137), (3172, 6822), (3411, 6344), (4392, 4927), (4548, 4758)]