21208032

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:576

約数の個数: 72

約数和(自身を含む): 60769800

約数和(自身を除く): 39561768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 349, 422, 633, 698, 844, 1047, 1266, 1396, 1688, 1899, 2094, 2532, 2792, 3141, 3376, 3798, 4188, 5064, 5584, 6282, 6752, 7596, 8376, 10128, 11168, 12564, 15192, 16752, 20256, 25128, 30384, 33504, 50256, 60768, 73639, 100512, 147278, 220917, 294556, 441834, 589112, 662751, 883668, 1178224, 1325502, 1767336, 2356448, 2651004, 3534672, 5302008, 7069344, 10604016, 21208032]

約数ペア:

[(1, 21208032), (2, 10604016), (3, 7069344), (4, 5302008), (6, 3534672), (8, 2651004), (9, 2356448), (12, 1767336), (16, 1325502), (18, 1178224), (24, 883668), (32, 662751), (36, 589112), (48, 441834), (72, 294556), (96, 220917), (144, 147278), (211, 100512), (288, 73639), (349, 60768), (422, 50256), (633, 33504), (698, 30384), (844, 25128), (1047, 20256), (1266, 16752), (1396, 15192), (1688, 12564), (1899, 11168), (2094, 10128), (2532, 8376), (2792, 7596), (3141, 6752), (3376, 6282), (3798, 5584), (4188, 5064)]