21970065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1847}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 38497536

約数和(自身を除く): 16527471

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1847, 2379, 3965, 5541, 9235, 11895, 24011, 27705, 72033, 112667, 120055, 338001, 360165, 563335, 1464671, 1690005, 4394013, 7323355, 21970065]

約数ペア:

[(1, 21970065), (3, 7323355), (5, 4394013), (13, 1690005), (15, 1464671), (39, 563335), (61, 360165), (65, 338001), (183, 120055), (195, 112667), (305, 72033), (793, 27705), (915, 24011), (1847, 11895), (2379, 9235), (3965, 5541)]