21011032

素因数分解:

$2^3\times 7^1\times {\mathrm{457}}^1\times {\mathrm{821}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 45177120

約数和(自身を除く): 24166088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 457, 821, 914, 1642, 1828, 3199, 3284, 3656, 5747, 6398, 6568, 11494, 12796, 22988, 25592, 45976, 375197, 750394, 1500788, 2626379, 3001576, 5252758, 10505516, 21011032]

約数ペア:

[(1, 21011032), (2, 10505516), (4, 5252758), (7, 3001576), (8, 2626379), (14, 1500788), (28, 750394), (56, 375197), (457, 45976), (821, 25592), (914, 22988), (1642, 12796), (1828, 11494), (3199, 6568), (3284, 6398), (3656, 5747)]