21646950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:698

約数の個数: 96

約数和(自身を含む): 61308576

約数和(自身を除く): 39661626

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 130, 150, 170, 195, 221, 255, 325, 390, 425, 442, 510, 650, 653, 663, 850, 975, 1105, 1275, 1306, 1326, 1950, 1959, 2210, 2550, 3265, 3315, 3918, 5525, 6530, 6630, 8489, 9795, 11050, 11101, 16325, 16575, 16978, 19590, 22202, 25467, 32650, 33150, 33303, 42445, 48975, 50934, 55505, 66606, 84890, 97950, 111010, 127335, 144313, 166515, 212225, 254670, 277525, 288626, 333030, 424450, 432939, 555050, 636675, 721565, 832575, 865878, 1273350, 1443130, 1665150, 2164695, 3607825, 4329390, 7215650, 10823475, 21646950]

約数ペア:

[(1, 21646950), (2, 10823475), (3, 7215650), (5, 4329390), (6, 3607825), (10, 2164695), (13, 1665150), (15, 1443130), (17, 1273350), (25, 865878), (26, 832575), (30, 721565), (34, 636675), (39, 555050), (50, 432939), (51, 424450), (65, 333030), (75, 288626), (78, 277525), (85, 254670), (102, 212225), (130, 166515), (150, 144313), (170, 127335), (195, 111010), (221, 97950), (255, 84890), (325, 66606), (390, 55505), (425, 50934), (442, 48975), (510, 42445), (650, 33303), (653, 33150), (663, 32650), (850, 25467), (975, 22202), (1105, 19590), (1275, 16978), (1306, 16575), (1326, 16325), (1950, 11101), (1959, 11050), (2210, 9795), (2550, 8489), (3265, 6630), (3315, 6530), (3918, 5525)]