21494850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 58579584

約数和(自身を除く): 37084734

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 73, 75, 78, 130, 146, 150, 151, 195, 219, 302, 325, 365, 390, 438, 453, 650, 730, 755, 906, 949, 975, 1095, 1510, 1825, 1898, 1950, 1963, 2190, 2265, 2847, 3650, 3775, 3926, 4530, 4745, 5475, 5694, 5889, 7550, 9490, 9815, 10950, 11023, 11325, 11778, 14235, 19630, 22046, 22650, 23725, 28470, 29445, 33069, 47450, 49075, 55115, 58890, 66138, 71175, 98150, 110230, 142350, 143299, 147225, 165345, 275575, 286598, 294450, 330690, 429897, 551150, 716495, 826725, 859794, 1432990, 1653450, 2149485, 3582475, 4298970, 7164950, 10747425, 21494850]

約数ペア:

[(1, 21494850), (2, 10747425), (3, 7164950), (5, 4298970), (6, 3582475), (10, 2149485), (13, 1653450), (15, 1432990), (25, 859794), (26, 826725), (30, 716495), (39, 551150), (50, 429897), (65, 330690), (73, 294450), (75, 286598), (78, 275575), (130, 165345), (146, 147225), (150, 143299), (151, 142350), (195, 110230), (219, 98150), (302, 71175), (325, 66138), (365, 58890), (390, 55115), (438, 49075), (453, 47450), (650, 33069), (730, 29445), (755, 28470), (906, 23725), (949, 22650), (975, 22046), (1095, 19630), (1510, 14235), (1825, 11778), (1898, 11325), (1950, 11023), (1963, 10950), (2190, 9815), (2265, 9490), (2847, 7550), (3650, 5889), (3775, 5694), (3926, 5475), (4530, 4745)]