21200040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58889}}^1$

素因数の和:58906

約数の個数: 48

約数和(自身を含む): 68901300

約数和(自身を除く): 47701260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58889, 117778, 176667, 235556, 294445, 353334, 471112, 530001, 588890, 706668, 883335, 1060002, 1177780, 1413336, 1766670, 2120004, 2355560, 2650005, 3533340, 4240008, 5300010, 7066680, 10600020, 21200040]

約数ペア:

[(1, 21200040), (2, 10600020), (3, 7066680), (4, 5300010), (5, 4240008), (6, 3533340), (8, 2650005), (9, 2355560), (10, 2120004), (12, 1766670), (15, 1413336), (18, 1177780), (20, 1060002), (24, 883335), (30, 706668), (36, 588890), (40, 530001), (45, 471112), (60, 353334), (72, 294445), (90, 235556), (120, 176667), (180, 117778), (360, 58889)]