21282106440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{44371}}^1$

素因数の和:44963

約数の個数: 128

約数和(自身を含む): 73096657920

約数和(自身を除く): 51814551480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 571, 840, 1142, 1713, 2284, 2855, 3426, 3997, 4568, 5710, 6852, 7994, 8565, 11420, 11991, 13704, 15988, 17130, 19985, 22840, 23982, 31976, 34260, 39970, 44371, 47964, 59955, 68520, 79940, 88742, 95928, 119910, 133113, 159880, 177484, 221855, 239820, 266226, 310597, 354968, 443710, 479640, 532452, 621194, 665565, 887420, 931791, 1064904, 1242388, 1331130, 1552985, 1774840, 1863582, 2484776, 2662260, 3105970, 3727164, 4658955, 5324520, 6211940, 7454328, 9317910, 12423880, 18635820, 25335841, 37271640, 50671682, 76007523, 101343364, 126679205, 152015046, 177350887, 202686728, 253358410, 304030092, 354701774, 380037615, 506716820, 532052661, 608060184, 709403548, 760075230, 886754435, 1013433640, 1064105322, 1418807096, 1520150460, 1773508870, 2128210644, 2660263305, 3040300920, 3547017740, 4256421288, 5320526610, 7094035480, 10641053220, 21282106440]

約数ペア:

[(1, 21282106440), (2, 10641053220), (3, 7094035480), (4, 5320526610), (5, 4256421288), (6, 3547017740), (7, 3040300920), (8, 2660263305), (10, 2128210644), (12, 1773508870), (14, 1520150460), (15, 1418807096), (20, 1064105322), (21, 1013433640), (24, 886754435), (28, 760075230), (30, 709403548), (35, 608060184), (40, 532052661), (42, 506716820), (56, 380037615), (60, 354701774), (70, 304030092), (84, 253358410), (105, 202686728), (120, 177350887), (140, 152015046), (168, 126679205), (210, 101343364), (280, 76007523), (420, 50671682), (571, 37271640), (840, 25335841), (1142, 18635820), (1713, 12423880), (2284, 9317910), (2855, 7454328), (3426, 6211940), (3997, 5324520), (4568, 4658955), (5710, 3727164), (6852, 3105970), (7994, 2662260), (8565, 2484776), (11420, 1863582), (11991, 1774840), (13704, 1552985), (15988, 1331130), (17130, 1242388), (19985, 1064904), (22840, 931791), (23982, 887420), (31976, 665565), (34260, 621194), (39970, 532452), (44371, 479640), (47964, 443710), (59955, 354968), (68520, 310597), (79940, 266226), (88742, 239820), (95928, 221855), (119910, 177484), (133113, 159880)]