21362640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:237

約数の個数: 160

約数和(自身を含む): 73495296

約数和(自身を除く): 52132656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 164, 167, 195, 205, 208, 240, 246, 260, 312, 328, 334, 390, 410, 492, 501, 520, 533, 615, 624, 656, 668, 780, 820, 835, 984, 1002, 1040, 1066, 1230, 1336, 1560, 1599, 1640, 1670, 1968, 2004, 2132, 2171, 2460, 2505, 2665, 2672, 3120, 3198, 3280, 3340, 4008, 4264, 4342, 4920, 5010, 5330, 6396, 6513, 6680, 6847, 7995, 8016, 8528, 8684, 9840, 10020, 10660, 10855, 12792, 13026, 13360, 13694, 15990, 17368, 20040, 20541, 21320, 21710, 25584, 26052, 27388, 31980, 32565, 34235, 34736, 40080, 41082, 42640, 43420, 52104, 54776, 63960, 65130, 68470, 82164, 86840, 89011, 102705, 104208, 109552, 127920, 130260, 136940, 164328, 173680, 178022, 205410, 260520, 267033, 273880, 328656, 356044, 410820, 445055, 521040, 534066, 547760, 712088, 821640, 890110, 1068132, 1335165, 1424176, 1643280, 1780220, 2136264, 2670330, 3560440, 4272528, 5340660, 7120880, 10681320, 21362640]

約数ペア:

[(1, 21362640), (2, 10681320), (3, 7120880), (4, 5340660), (5, 4272528), (6, 3560440), (8, 2670330), (10, 2136264), (12, 1780220), (13, 1643280), (15, 1424176), (16, 1335165), (20, 1068132), (24, 890110), (26, 821640), (30, 712088), (39, 547760), (40, 534066), (41, 521040), (48, 445055), (52, 410820), (60, 356044), (65, 328656), (78, 273880), (80, 267033), (82, 260520), (104, 205410), (120, 178022), (123, 173680), (130, 164328), (156, 136940), (164, 130260), (167, 127920), (195, 109552), (205, 104208), (208, 102705), (240, 89011), (246, 86840), (260, 82164), (312, 68470), (328, 65130), (334, 63960), (390, 54776), (410, 52104), (492, 43420), (501, 42640), (520, 41082), (533, 40080), (615, 34736), (624, 34235), (656, 32565), (668, 31980), (780, 27388), (820, 26052), (835, 25584), (984, 21710), (1002, 21320), (1040, 20541), (1066, 20040), (1230, 17368), (1336, 15990), (1560, 13694), (1599, 13360), (1640, 13026), (1670, 12792), (1968, 10855), (2004, 10660), (2132, 10020), (2171, 9840), (2460, 8684), (2505, 8528), (2665, 8016), (2672, 7995), (3120, 6847), (3198, 6680), (3280, 6513), (3340, 6396), (4008, 5330), (4264, 5010), (4342, 4920)]