21432060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 53079300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 71, 78, 86, 90, 108, 117, 129, 130, 135, 142, 156, 172, 180, 195, 213, 215, 234, 258, 260, 270, 284, 351, 355, 387, 390, 426, 430, 468, 516, 540, 559, 585, 639, 645, 702, 710, 774, 780, 852, 860, 923, 1065, 1118, 1161, 1170, 1278, 1290, 1404, 1420, 1548, 1677, 1755, 1846, 1917, 1935, 2130, 2236, 2322, 2340, 2556, 2580, 2769, 2795, 3053, 3195, 3354, 3510, 3692, 3834, 3870, 4260, 4615, 4644, 5031, 5538, 5590, 5805, 6106, 6390, 6708, 7020, 7668, 7740, 8307, 8385, 9159, 9230, 9585, 10062, 11076, 11180, 11610, 12212, 12780, 13845, 15093, 15265, 16614, 16770, 18318, 18460, 19170, 20124, 23220, 24921, 25155, 27477, 27690, 30186, 30530, 33228, 33540, 36636, 38340, 39689, 41535, 45795, 49842, 50310, 54954, 55380, 60372, 61060, 75465, 79378, 82431, 83070, 91590, 99684, 100620, 109908, 119067, 124605, 137385, 150930, 158756, 164862, 166140, 183180, 198445, 238134, 249210, 274770, 301860, 329724, 357201, 396890, 412155, 476268, 498420, 549540, 595335, 714402, 793780, 824310, 1071603, 1190670, 1428804, 1648620, 1786005, 2143206, 2381340, 3572010, 4286412, 5358015, 7144020, 10716030, 21432060]

約数ペア:

[(1, 21432060), (2, 10716030), (3, 7144020), (4, 5358015), (5, 4286412), (6, 3572010), (9, 2381340), (10, 2143206), (12, 1786005), (13, 1648620), (15, 1428804), (18, 1190670), (20, 1071603), (26, 824310), (27, 793780), (30, 714402), (36, 595335), (39, 549540), (43, 498420), (45, 476268), (52, 412155), (54, 396890), (60, 357201), (65, 329724), (71, 301860), (78, 274770), (86, 249210), (90, 238134), (108, 198445), (117, 183180), (129, 166140), (130, 164862), (135, 158756), (142, 150930), (156, 137385), (172, 124605), (180, 119067), (195, 109908), (213, 100620), (215, 99684), (234, 91590), (258, 83070), (260, 82431), (270, 79378), (284, 75465), (351, 61060), (355, 60372), (387, 55380), (390, 54954), (426, 50310), (430, 49842), (468, 45795), (516, 41535), (540, 39689), (559, 38340), (585, 36636), (639, 33540), (645, 33228), (702, 30530), (710, 30186), (774, 27690), (780, 27477), (852, 25155), (860, 24921), (923, 23220), (1065, 20124), (1118, 19170), (1161, 18460), (1170, 18318), (1278, 16770), (1290, 16614), (1404, 15265), (1420, 15093), (1548, 13845), (1677, 12780), (1755, 12212), (1846, 11610), (1917, 11180), (1935, 11076), (2130, 10062), (2236, 9585), (2322, 9230), (2340, 9159), (2556, 8385), (2580, 8307), (2769, 7740), (2795, 7668), (3053, 7020), (3195, 6708), (3354, 6390), (3510, 6106), (3692, 5805), (3834, 5590), (3870, 5538), (4260, 5031), (4615, 4644)]