21958950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11261}}^1$

素因数の和:11289

約数の個数: 48

約数和(自身を含む): 58652496

約数和(自身を除く): 36693546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 11261, 22522, 33783, 56305, 67566, 112610, 146393, 168915, 281525, 292786, 337830, 439179, 563050, 731965, 844575, 878358, 1463930, 1689150, 2195895, 3659825, 4391790, 7319650, 10979475, 21958950]

約数ペア:

[(1, 21958950), (2, 10979475), (3, 7319650), (5, 4391790), (6, 3659825), (10, 2195895), (13, 1689150), (15, 1463930), (25, 878358), (26, 844575), (30, 731965), (39, 563050), (50, 439179), (65, 337830), (75, 292786), (78, 281525), (130, 168915), (150, 146393), (195, 112610), (325, 67566), (390, 56305), (650, 33783), (975, 22522), (1950, 11261)]