21133025516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{471593}}^1$

素因数の和:472273

約数の個数: 24

約数和(自身を含む): 39217757040

約数和(自身を除く): 18084731524

約数列:

[1, 2, 4, 17, 34, 68, 659, 1318, 2636, 11203, 22406, 44812, 471593, 943186, 1886372, 8017081, 16034162, 32068324, 310779787, 621559574, 1243119148, 5283256379, 10566512758, 21133025516]

約数ペア:

[(1, 21133025516), (2, 10566512758), (4, 5283256379), (17, 1243119148), (34, 621559574), (68, 310779787), (659, 32068324), (1318, 16034162), (2636, 8017081), (11203, 1886372), (22406, 943186), (44812, 471593)]