21525060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43793340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 47, 51, 60, 68, 85, 94, 102, 141, 170, 188, 204, 235, 255, 282, 340, 449, 470, 510, 564, 705, 799, 898, 940, 1020, 1347, 1410, 1598, 1796, 2245, 2397, 2694, 2820, 3196, 3995, 4490, 4794, 5388, 6735, 7633, 7990, 8980, 9588, 11985, 13470, 15266, 15980, 21103, 22899, 23970, 26940, 30532, 38165, 42206, 45798, 47940, 63309, 76330, 84412, 91596, 105515, 114495, 126618, 152660, 211030, 228990, 253236, 316545, 358751, 422060, 457980, 633090, 717502, 1076253, 1266180, 1435004, 1793755, 2152506, 3587510, 4305012, 5381265, 7175020, 10762530, 21525060]

約数ペア:

[(1, 21525060), (2, 10762530), (3, 7175020), (4, 5381265), (5, 4305012), (6, 3587510), (10, 2152506), (12, 1793755), (15, 1435004), (17, 1266180), (20, 1076253), (30, 717502), (34, 633090), (47, 457980), (51, 422060), (60, 358751), (68, 316545), (85, 253236), (94, 228990), (102, 211030), (141, 152660), (170, 126618), (188, 114495), (204, 105515), (235, 91596), (255, 84412), (282, 76330), (340, 63309), (449, 47940), (470, 45798), (510, 42206), (564, 38165), (705, 30532), (799, 26940), (898, 23970), (940, 22899), (1020, 21103), (1347, 15980), (1410, 15266), (1598, 13470), (1796, 11985), (2245, 9588), (2397, 8980), (2694, 7990), (2820, 7633), (3196, 6735), (3995, 5388), (4490, 4794)]