21515904

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1022

約数の個数: 96

約数和(自身を含む): 65239200

約数和(自身を除く): 43723296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 288, 304, 342, 384, 456, 576, 608, 684, 912, 983, 1152, 1216, 1368, 1824, 1966, 2432, 2736, 2949, 3648, 3932, 5472, 5898, 7296, 7864, 8847, 10944, 11796, 15728, 17694, 18677, 21888, 23592, 31456, 35388, 37354, 47184, 56031, 62912, 70776, 74708, 94368, 112062, 125824, 141552, 149416, 168093, 188736, 224124, 283104, 298832, 336186, 377472, 448248, 566208, 597664, 672372, 896496, 1132416, 1195328, 1344744, 1792992, 2390656, 2689488, 3585984, 5378976, 7171968, 10757952, 21515904]

約数ペア:

[(1, 21515904), (2, 10757952), (3, 7171968), (4, 5378976), (6, 3585984), (8, 2689488), (9, 2390656), (12, 1792992), (16, 1344744), (18, 1195328), (19, 1132416), (24, 896496), (32, 672372), (36, 597664), (38, 566208), (48, 448248), (57, 377472), (64, 336186), (72, 298832), (76, 283104), (96, 224124), (114, 188736), (128, 168093), (144, 149416), (152, 141552), (171, 125824), (192, 112062), (228, 94368), (288, 74708), (304, 70776), (342, 62912), (384, 56031), (456, 47184), (576, 37354), (608, 35388), (684, 31456), (912, 23592), (983, 21888), (1152, 18677), (1216, 17694), (1368, 15728), (1824, 11796), (1966, 10944), (2432, 8847), (2736, 7864), (2949, 7296), (3648, 5898), (3932, 5472)]