21472360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 41668760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 347, 364, 442, 455, 476, 520, 595, 680, 694, 728, 884, 910, 952, 1105, 1190, 1388, 1547, 1735, 1768, 1820, 2210, 2380, 2429, 2776, 3094, 3470, 3640, 4420, 4511, 4760, 4858, 5899, 6188, 6940, 7735, 8840, 9022, 9716, 11798, 12145, 12376, 13880, 15470, 18044, 19432, 22555, 23596, 24290, 29495, 30940, 31577, 36088, 41293, 45110, 47192, 48580, 58990, 61880, 63154, 76687, 82586, 90220, 97160, 117980, 126308, 153374, 157885, 165172, 180440, 206465, 235960, 252616, 306748, 315770, 330344, 383435, 412930, 536809, 613496, 631540, 766870, 825860, 1073618, 1263080, 1533740, 1651720, 2147236, 2684045, 3067480, 4294472, 5368090, 10736180, 21472360]

約数ペア:

[(1, 21472360), (2, 10736180), (4, 5368090), (5, 4294472), (7, 3067480), (8, 2684045), (10, 2147236), (13, 1651720), (14, 1533740), (17, 1263080), (20, 1073618), (26, 825860), (28, 766870), (34, 631540), (35, 613496), (40, 536809), (52, 412930), (56, 383435), (65, 330344), (68, 315770), (70, 306748), (85, 252616), (91, 235960), (104, 206465), (119, 180440), (130, 165172), (136, 157885), (140, 153374), (170, 126308), (182, 117980), (221, 97160), (238, 90220), (260, 82586), (280, 76687), (340, 63154), (347, 61880), (364, 58990), (442, 48580), (455, 47192), (476, 45110), (520, 41293), (595, 36088), (680, 31577), (694, 30940), (728, 29495), (884, 24290), (910, 23596), (952, 22555), (1105, 19432), (1190, 18044), (1388, 15470), (1547, 13880), (1735, 12376), (1768, 12145), (1820, 11798), (2210, 9716), (2380, 9022), (2429, 8840), (2776, 7735), (3094, 6940), (3470, 6188), (3640, 5899), (4420, 4858), (4511, 4760)]