21812520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2794

約数の個数: 64

約数和(自身を含む): 66438720

約数和(自身を除く): 44626200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 2713, 4020, 5426, 8040, 8139, 10852, 13565, 16278, 21704, 27130, 32556, 40695, 54260, 65112, 81390, 108520, 162780, 181771, 325560, 363542, 545313, 727084, 908855, 1090626, 1454168, 1817710, 2181252, 2726565, 3635420, 4362504, 5453130, 7270840, 10906260, 21812520]

約数ペア:

[(1, 21812520), (2, 10906260), (3, 7270840), (4, 5453130), (5, 4362504), (6, 3635420), (8, 2726565), (10, 2181252), (12, 1817710), (15, 1454168), (20, 1090626), (24, 908855), (30, 727084), (40, 545313), (60, 363542), (67, 325560), (120, 181771), (134, 162780), (201, 108520), (268, 81390), (335, 65112), (402, 54260), (536, 40695), (670, 32556), (804, 27130), (1005, 21704), (1340, 16278), (1608, 13565), (2010, 10852), (2680, 8139), (2713, 8040), (4020, 5426)]