21233160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 74938500

約数和(自身を除く): 53705340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 349, 360, 390, 468, 507, 520, 585, 676, 698, 780, 845, 936, 1014, 1047, 1170, 1352, 1396, 1521, 1560, 1690, 1745, 2028, 2094, 2340, 2535, 2792, 3042, 3141, 3380, 3490, 4056, 4188, 4537, 4680, 5070, 5235, 6084, 6282, 6760, 6980, 7605, 8376, 9074, 10140, 10470, 12168, 12564, 13611, 13960, 15210, 15705, 18148, 20280, 20940, 22685, 25128, 27222, 30420, 31410, 36296, 40833, 41880, 45370, 54444, 58981, 60840, 62820, 68055, 81666, 90740, 108888, 117962, 125640, 136110, 163332, 176943, 181480, 204165, 235924, 272220, 294905, 326664, 353886, 408330, 471848, 530829, 544440, 589810, 707772, 816660, 884715, 1061658, 1179620, 1415544, 1633320, 1769430, 2123316, 2359240, 2654145, 3538860, 4246632, 5308290, 7077720, 10616580, 21233160]

約数ペア:

[(1, 21233160), (2, 10616580), (3, 7077720), (4, 5308290), (5, 4246632), (6, 3538860), (8, 2654145), (9, 2359240), (10, 2123316), (12, 1769430), (13, 1633320), (15, 1415544), (18, 1179620), (20, 1061658), (24, 884715), (26, 816660), (30, 707772), (36, 589810), (39, 544440), (40, 530829), (45, 471848), (52, 408330), (60, 353886), (65, 326664), (72, 294905), (78, 272220), (90, 235924), (104, 204165), (117, 181480), (120, 176943), (130, 163332), (156, 136110), (169, 125640), (180, 117962), (195, 108888), (234, 90740), (260, 81666), (312, 68055), (338, 62820), (349, 60840), (360, 58981), (390, 54444), (468, 45370), (507, 41880), (520, 40833), (585, 36296), (676, 31410), (698, 30420), (780, 27222), (845, 25128), (936, 22685), (1014, 20940), (1047, 20280), (1170, 18148), (1352, 15705), (1396, 15210), (1521, 13960), (1560, 13611), (1690, 12564), (1745, 12168), (2028, 10470), (2094, 10140), (2340, 9074), (2535, 8376), (2792, 7605), (3042, 6980), (3141, 6760), (3380, 6282), (3490, 6084), (4056, 5235), (4188, 5070), (4537, 4680)]