21029100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 61329408

約数和(自身を除く): 40300308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 191, 300, 367, 382, 573, 734, 764, 955, 1101, 1146, 1468, 1835, 1910, 2202, 2292, 2865, 3670, 3820, 4404, 4775, 5505, 5730, 7340, 9175, 9550, 11010, 11460, 14325, 18350, 19100, 22020, 27525, 28650, 36700, 55050, 57300, 70097, 110100, 140194, 210291, 280388, 350485, 420582, 700970, 841164, 1051455, 1401940, 1752425, 2102910, 3504850, 4205820, 5257275, 7009700, 10514550, 21029100]

約数ペア:

[(1, 21029100), (2, 10514550), (3, 7009700), (4, 5257275), (5, 4205820), (6, 3504850), (10, 2102910), (12, 1752425), (15, 1401940), (20, 1051455), (25, 841164), (30, 700970), (50, 420582), (60, 350485), (75, 280388), (100, 210291), (150, 140194), (191, 110100), (300, 70097), (367, 57300), (382, 55050), (573, 36700), (734, 28650), (764, 27525), (955, 22020), (1101, 19100), (1146, 18350), (1468, 14325), (1835, 11460), (1910, 11010), (2202, 9550), (2292, 9175), (2865, 7340), (3670, 5730), (3820, 5505), (4404, 4775)]