21000928992

素因数分解:

$2^5\times 3^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1\times {\mathrm{4493}}^1$

素因数の和:4956

約数の個数: 96

約数和(自身を含む): 55650460320

約数和(自身を除く): 34649531328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 181, 269, 362, 538, 543, 724, 807, 1076, 1086, 1448, 1614, 2152, 2172, 2896, 3228, 4304, 4344, 4493, 5792, 6456, 8608, 8688, 8986, 12912, 13479, 17376, 17972, 25824, 26958, 35944, 48689, 53916, 71888, 97378, 107832, 143776, 146067, 194756, 215664, 292134, 389512, 431328, 584268, 779024, 813233, 1168536, 1208617, 1558048, 1626466, 2337072, 2417234, 2439699, 3252932, 3625851, 4674144, 4834468, 4879398, 6505864, 7251702, 9668936, 9758796, 13011728, 14503404, 19337872, 19517592, 26023456, 29006808, 38675744, 39035184, 58013616, 78070368, 116027232, 218759677, 437519354, 656279031, 875038708, 1312558062, 1750077416, 2625116124, 3500154832, 5250232248, 7000309664, 10500464496, 21000928992]

約数ペア:

[(1, 21000928992), (2, 10500464496), (3, 7000309664), (4, 5250232248), (6, 3500154832), (8, 2625116124), (12, 1750077416), (16, 1312558062), (24, 875038708), (32, 656279031), (48, 437519354), (96, 218759677), (181, 116027232), (269, 78070368), (362, 58013616), (538, 39035184), (543, 38675744), (724, 29006808), (807, 26023456), (1076, 19517592), (1086, 19337872), (1448, 14503404), (1614, 13011728), (2152, 9758796), (2172, 9668936), (2896, 7251702), (3228, 6505864), (4304, 4879398), (4344, 4834468), (4493, 4674144), (5792, 3625851), (6456, 3252932), (8608, 2439699), (8688, 2417234), (8986, 2337072), (12912, 1626466), (13479, 1558048), (17376, 1208617), (17972, 1168536), (25824, 813233), (26958, 779024), (35944, 584268), (48689, 431328), (53916, 389512), (71888, 292134), (97378, 215664), (107832, 194756), (143776, 146067)]