21553020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 46184580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 167, 180, 239, 270, 334, 478, 501, 540, 668, 717, 835, 956, 1002, 1195, 1434, 1503, 1670, 2004, 2151, 2390, 2505, 2868, 3006, 3340, 3585, 4302, 4509, 4780, 5010, 6012, 6453, 7170, 7515, 8604, 9018, 10020, 10755, 12906, 14340, 15030, 18036, 21510, 22545, 25812, 30060, 32265, 39913, 43020, 45090, 64530, 79826, 90180, 119739, 129060, 159652, 199565, 239478, 359217, 399130, 478956, 598695, 718434, 798260, 1077651, 1197390, 1436868, 1796085, 2155302, 2394780, 3592170, 4310604, 5388255, 7184340, 10776510, 21553020]

約数ペア:

[(1, 21553020), (2, 10776510), (3, 7184340), (4, 5388255), (5, 4310604), (6, 3592170), (9, 2394780), (10, 2155302), (12, 1796085), (15, 1436868), (18, 1197390), (20, 1077651), (27, 798260), (30, 718434), (36, 598695), (45, 478956), (54, 399130), (60, 359217), (90, 239478), (108, 199565), (135, 159652), (167, 129060), (180, 119739), (239, 90180), (270, 79826), (334, 64530), (478, 45090), (501, 43020), (540, 39913), (668, 32265), (717, 30060), (835, 25812), (956, 22545), (1002, 21510), (1195, 18036), (1434, 15030), (1503, 14340), (1670, 12906), (2004, 10755), (2151, 10020), (2390, 9018), (2505, 8604), (2868, 7515), (3006, 7170), (3340, 6453), (3585, 6012), (4302, 5010), (4509, 4780)]