21504750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 54789696

約数和(自身を除く): 33284946

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 125, 150, 159, 250, 265, 318, 375, 530, 541, 750, 795, 1082, 1325, 1590, 1623, 2650, 2705, 3246, 3975, 5410, 6625, 7950, 8115, 13250, 13525, 16230, 19875, 27050, 28673, 39750, 40575, 57346, 67625, 81150, 86019, 135250, 143365, 172038, 202875, 286730, 405750, 430095, 716825, 860190, 1433650, 2150475, 3584125, 4300950, 7168250, 10752375, 21504750]

約数ペア:

[(1, 21504750), (2, 10752375), (3, 7168250), (5, 4300950), (6, 3584125), (10, 2150475), (15, 1433650), (25, 860190), (30, 716825), (50, 430095), (53, 405750), (75, 286730), (106, 202875), (125, 172038), (150, 143365), (159, 135250), (250, 86019), (265, 81150), (318, 67625), (375, 57346), (530, 40575), (541, 39750), (750, 28673), (795, 27050), (1082, 19875), (1325, 16230), (1590, 13525), (1623, 13250), (2650, 8115), (2705, 7950), (3246, 6625), (3975, 5410)]