21570318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 59304960

約数和(自身を除く): 37734642

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 79, 99, 126, 154, 158, 197, 198, 231, 237, 394, 462, 474, 553, 591, 693, 711, 869, 1106, 1182, 1379, 1386, 1422, 1659, 1738, 1773, 2167, 2607, 2758, 3318, 3546, 4137, 4334, 4977, 5214, 6083, 6501, 7821, 8274, 9954, 12166, 12411, 13002, 15169, 15563, 15642, 18249, 19503, 24822, 30338, 31126, 36498, 39006, 45507, 46689, 54747, 91014, 93378, 108941, 109494, 136521, 140067, 171193, 217882, 273042, 280134, 326823, 342386, 513579, 653646, 980469, 1027158, 1198351, 1540737, 1960938, 2396702, 3081474, 3595053, 7190106, 10785159, 21570318]

約数ペア:

[(1, 21570318), (2, 10785159), (3, 7190106), (6, 3595053), (7, 3081474), (9, 2396702), (11, 1960938), (14, 1540737), (18, 1198351), (21, 1027158), (22, 980469), (33, 653646), (42, 513579), (63, 342386), (66, 326823), (77, 280134), (79, 273042), (99, 217882), (126, 171193), (154, 140067), (158, 136521), (197, 109494), (198, 108941), (231, 93378), (237, 91014), (394, 54747), (462, 46689), (474, 45507), (553, 39006), (591, 36498), (693, 31126), (711, 30338), (869, 24822), (1106, 19503), (1182, 18249), (1379, 15642), (1386, 15563), (1422, 15169), (1659, 13002), (1738, 12411), (1773, 12166), (2167, 9954), (2607, 8274), (2758, 7821), (3318, 6501), (3546, 6083), (4137, 5214), (4334, 4977)]