21273472

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 47919600

約数和(自身を除く): 26646128

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 319, 352, 464, 521, 638, 704, 928, 1042, 1276, 1408, 1856, 2084, 2552, 3712, 4168, 5104, 5731, 8336, 10208, 11462, 15109, 16672, 20416, 22924, 30218, 33344, 40832, 45848, 60436, 66688, 91696, 120872, 166199, 183392, 241744, 332398, 366784, 483488, 664796, 733568, 966976, 1329592, 1933952, 2659184, 5318368, 10636736, 21273472]

約数ペア:

[(1, 21273472), (2, 10636736), (4, 5318368), (8, 2659184), (11, 1933952), (16, 1329592), (22, 966976), (29, 733568), (32, 664796), (44, 483488), (58, 366784), (64, 332398), (88, 241744), (116, 183392), (128, 166199), (176, 120872), (232, 91696), (319, 66688), (352, 60436), (464, 45848), (521, 40832), (638, 33344), (704, 30218), (928, 22924), (1042, 20416), (1276, 16672), (1408, 15109), (1856, 11462), (2084, 10208), (2552, 8336), (3712, 5731), (4168, 5104)]