21820300

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1931}}^1$

素因数の和:2058

約数の個数: 36

約数和(自身を含む): 47793816

約数和(自身を除く): 25973516

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1931, 2260, 2825, 3862, 5650, 7724, 9655, 11300, 19310, 38620, 48275, 96550, 193100, 218203, 436406, 872812, 1091015, 2182030, 4364060, 5455075, 10910150, 21820300]

約数ペア:

[(1, 21820300), (2, 10910150), (4, 5455075), (5, 4364060), (10, 2182030), (20, 1091015), (25, 872812), (50, 436406), (100, 218203), (113, 193100), (226, 96550), (452, 48275), (565, 38620), (1130, 19310), (1931, 11300), (2260, 9655), (2825, 7724), (3862, 5650)]