21998430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4007}}^1$

素因数の和:4081

約数の個数: 48

約数和(自身を含む): 58148064

約数和(自身を除く): 36149634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 4007, 5490, 8014, 12021, 20035, 24042, 36063, 40070, 60105, 72126, 120210, 180315, 244427, 360630, 488854, 733281, 1222135, 1466562, 2199843, 2444270, 3666405, 4399686, 7332810, 10999215, 21998430]

約数ペア:

[(1, 21998430), (2, 10999215), (3, 7332810), (5, 4399686), (6, 3666405), (9, 2444270), (10, 2199843), (15, 1466562), (18, 1222135), (30, 733281), (45, 488854), (61, 360630), (90, 244427), (122, 180315), (183, 120210), (305, 72126), (366, 60105), (549, 40070), (610, 36063), (915, 24042), (1098, 20035), (1830, 12021), (2745, 8014), (4007, 5490)]