21840735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2633}}^1$

素因数の和:2727

約数の個数: 32

約数和(自身を含む): 40458240

約数和(自身を除く): 18617505

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2633, 2765, 7899, 8295, 13165, 18431, 39495, 55293, 92155, 208007, 276465, 624021, 1040035, 1456049, 3120105, 4368147, 7280245, 21840735]

約数ペア:

[(1, 21840735), (3, 7280245), (5, 4368147), (7, 3120105), (15, 1456049), (21, 1040035), (35, 624021), (79, 276465), (105, 208007), (237, 92155), (395, 55293), (553, 39495), (1185, 18431), (1659, 13165), (2633, 8295), (2765, 7899)]