21820816416

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{1381}}^1\times {\mathrm{3359}}^1$

素因数の和:4767

約数の個数: 144

約数和(自身を含む): 66699521280

約数和(自身を除く): 44878704864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1381, 1568, 2352, 2762, 3359, 4143, 4704, 5524, 6718, 8286, 9667, 10077, 11048, 13436, 16572, 19334, 20154, 22096, 23513, 26872, 29001, 33144, 38668, 40308, 44192, 47026, 53744, 58002, 66288, 67669, 70539, 77336, 80616, 94052, 107488, 116004, 132576, 135338, 141078, 154672, 161232, 164591, 188104, 203007, 232008, 270676, 282156, 309344, 322464, 329182, 376208, 406014, 464016, 493773, 541352, 564312, 658364, 752416, 812028, 928032, 987546, 1082704, 1128624, 1316728, 1624056, 1975092, 2165408, 2257248, 2633456, 3248112, 3950184, 4638779, 5266912, 6496224, 7900368, 9277558, 13916337, 15800736, 18555116, 27832674, 32471453, 37110232, 55665348, 64942906, 74220464, 97414359, 111330696, 129885812, 148440928, 194828718, 222661392, 227300171, 259771624, 389657436, 445322784, 454600342, 519543248, 681900513, 779314872, 909200684, 1039086496, 1363801026, 1558629744, 1818401368, 2727602052, 3117259488, 3636802736, 5455204104, 7273605472, 10910408208, 21820816416]

約数ペア:

[(1, 21820816416), (2, 10910408208), (3, 7273605472), (4, 5455204104), (6, 3636802736), (7, 3117259488), (8, 2727602052), (12, 1818401368), (14, 1558629744), (16, 1363801026), (21, 1039086496), (24, 909200684), (28, 779314872), (32, 681900513), (42, 519543248), (48, 454600342), (49, 445322784), (56, 389657436), (84, 259771624), (96, 227300171), (98, 222661392), (112, 194828718), (147, 148440928), (168, 129885812), (196, 111330696), (224, 97414359), (294, 74220464), (336, 64942906), (392, 55665348), (588, 37110232), (672, 32471453), (784, 27832674), (1176, 18555116), (1381, 15800736), (1568, 13916337), (2352, 9277558), (2762, 7900368), (3359, 6496224), (4143, 5266912), (4704, 4638779), (5524, 3950184), (6718, 3248112), (8286, 2633456), (9667, 2257248), (10077, 2165408), (11048, 1975092), (13436, 1624056), (16572, 1316728), (19334, 1128624), (20154, 1082704), (22096, 987546), (23513, 928032), (26872, 812028), (29001, 752416), (33144, 658364), (38668, 564312), (40308, 541352), (44192, 493773), (47026, 464016), (53744, 406014), (58002, 376208), (66288, 329182), (67669, 322464), (70539, 309344), (77336, 282156), (80616, 270676), (94052, 232008), (107488, 203007), (116004, 188104), (132576, 164591), (135338, 161232), (141078, 154672)]