21408504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 58665600

約数和(自身を除く): 37257096

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 59, 78, 104, 118, 156, 177, 236, 312, 354, 472, 708, 767, 1163, 1416, 1534, 2301, 2326, 3068, 3489, 4602, 4652, 6136, 6978, 9204, 9304, 13956, 15119, 18408, 27912, 30238, 45357, 60476, 68617, 90714, 120952, 137234, 181428, 205851, 274468, 362856, 411702, 548936, 823404, 892021, 1646808, 1784042, 2676063, 3568084, 5352126, 7136168, 10704252, 21408504]

約数ペア:

[(1, 21408504), (2, 10704252), (3, 7136168), (4, 5352126), (6, 3568084), (8, 2676063), (12, 1784042), (13, 1646808), (24, 892021), (26, 823404), (39, 548936), (52, 411702), (59, 362856), (78, 274468), (104, 205851), (118, 181428), (156, 137234), (177, 120952), (236, 90714), (312, 68617), (354, 60476), (472, 45357), (708, 30238), (767, 27912), (1163, 18408), (1416, 15119), (1534, 13956), (2301, 9304), (2326, 9204), (3068, 6978), (3489, 6136), (4602, 4652)]