21463140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 63737856

約数和(自身を除く): 42274716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 103, 115, 138, 151, 206, 230, 276, 302, 309, 345, 412, 453, 460, 515, 604, 618, 690, 755, 906, 1030, 1236, 1380, 1510, 1545, 1812, 2060, 2265, 2369, 3020, 3090, 3473, 4530, 4738, 6180, 6946, 7107, 9060, 9476, 10419, 11845, 13892, 14214, 15553, 17365, 20838, 23690, 28428, 31106, 34730, 35535, 41676, 46659, 47380, 52095, 62212, 69460, 71070, 77765, 93318, 104190, 142140, 155530, 186636, 208380, 233295, 311060, 357719, 466590, 715438, 933180, 1073157, 1430876, 1788595, 2146314, 3577190, 4292628, 5365785, 7154380, 10731570, 21463140]

約数ペア:

[(1, 21463140), (2, 10731570), (3, 7154380), (4, 5365785), (5, 4292628), (6, 3577190), (10, 2146314), (12, 1788595), (15, 1430876), (20, 1073157), (23, 933180), (30, 715438), (46, 466590), (60, 357719), (69, 311060), (92, 233295), (103, 208380), (115, 186636), (138, 155530), (151, 142140), (206, 104190), (230, 93318), (276, 77765), (302, 71070), (309, 69460), (345, 62212), (412, 52095), (453, 47380), (460, 46659), (515, 41676), (604, 35535), (618, 34730), (690, 31106), (755, 28428), (906, 23690), (1030, 20838), (1236, 17365), (1380, 15553), (1510, 14214), (1545, 13892), (1812, 11845), (2060, 10419), (2265, 9476), (2369, 9060), (3020, 7107), (3090, 6946), (3473, 6180), (4530, 4738)]