21660984

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 61888320

約数和(自身を除く): 40227336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 47, 72, 74, 94, 111, 141, 148, 173, 188, 222, 282, 296, 333, 346, 376, 423, 444, 519, 564, 666, 692, 846, 888, 1038, 1128, 1332, 1384, 1557, 1692, 1739, 2076, 2664, 3114, 3384, 3478, 4152, 5217, 6228, 6401, 6956, 8131, 10434, 12456, 12802, 13912, 15651, 16262, 19203, 20868, 24393, 25604, 31302, 32524, 38406, 41736, 48786, 51208, 57609, 62604, 65048, 73179, 76812, 97572, 115218, 125208, 146358, 153624, 195144, 230436, 292716, 300847, 460872, 585432, 601694, 902541, 1203388, 1805082, 2406776, 2707623, 3610164, 5415246, 7220328, 10830492, 21660984]

約数ペア:

[(1, 21660984), (2, 10830492), (3, 7220328), (4, 5415246), (6, 3610164), (8, 2707623), (9, 2406776), (12, 1805082), (18, 1203388), (24, 902541), (36, 601694), (37, 585432), (47, 460872), (72, 300847), (74, 292716), (94, 230436), (111, 195144), (141, 153624), (148, 146358), (173, 125208), (188, 115218), (222, 97572), (282, 76812), (296, 73179), (333, 65048), (346, 62604), (376, 57609), (423, 51208), (444, 48786), (519, 41736), (564, 38406), (666, 32524), (692, 31302), (846, 25604), (888, 24393), (1038, 20868), (1128, 19203), (1332, 16262), (1384, 15651), (1557, 13912), (1692, 12802), (1739, 12456), (2076, 10434), (2664, 8131), (3114, 6956), (3384, 6401), (3478, 6228), (4152, 5217)]