21172512

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 38436576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 69, 86, 92, 96, 129, 138, 172, 184, 223, 258, 276, 344, 368, 446, 516, 552, 669, 688, 736, 892, 989, 1032, 1104, 1338, 1376, 1784, 1978, 2064, 2208, 2676, 2967, 3568, 3956, 4128, 5129, 5352, 5934, 7136, 7912, 9589, 10258, 10704, 11868, 15387, 15824, 19178, 20516, 21408, 23736, 28767, 30774, 31648, 38356, 41032, 47472, 57534, 61548, 76712, 82064, 94944, 115068, 123096, 153424, 164128, 220547, 230136, 246192, 306848, 441094, 460272, 492384, 661641, 882188, 920544, 1323282, 1764376, 2646564, 3528752, 5293128, 7057504, 10586256, 21172512]

約数ペア:

[(1, 21172512), (2, 10586256), (3, 7057504), (4, 5293128), (6, 3528752), (8, 2646564), (12, 1764376), (16, 1323282), (23, 920544), (24, 882188), (32, 661641), (43, 492384), (46, 460272), (48, 441094), (69, 306848), (86, 246192), (92, 230136), (96, 220547), (129, 164128), (138, 153424), (172, 123096), (184, 115068), (223, 94944), (258, 82064), (276, 76712), (344, 61548), (368, 57534), (446, 47472), (516, 41032), (552, 38356), (669, 31648), (688, 30774), (736, 28767), (892, 23736), (989, 21408), (1032, 20516), (1104, 19178), (1338, 15824), (1376, 15387), (1784, 11868), (1978, 10704), (2064, 10258), (2208, 9589), (2676, 7912), (2967, 7136), (3568, 5934), (3956, 5352), (4128, 5129)]