21159804562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{2371}}^1$

素因数の和:2795

約数の個数: 64

約数和(自身を含む): 36911887488

約数和(自身を除く): 15752082926

約数列:

[1, 2, 13, 17, 26, 34, 61, 122, 221, 331, 442, 662, 793, 1037, 1586, 2074, 2371, 4303, 4742, 5627, 8606, 11254, 13481, 20191, 26962, 30823, 40307, 40382, 61646, 73151, 80614, 144631, 146302, 262483, 289262, 343247, 523991, 524966, 686494, 784801, 1047982, 1569602, 1880203, 2458727, 3760406, 4462211, 4917454, 8924422, 10202413, 13341617, 20404826, 26683234, 31963451, 47872861, 63926902, 95745722, 173441021, 346882042, 622347193, 813838637, 1244694386, 1627677274, 10579902281, 21159804562]

約数ペア:

[(1, 21159804562), (2, 10579902281), (13, 1627677274), (17, 1244694386), (26, 813838637), (34, 622347193), (61, 346882042), (122, 173441021), (221, 95745722), (331, 63926902), (442, 47872861), (662, 31963451), (793, 26683234), (1037, 20404826), (1586, 13341617), (2074, 10202413), (2371, 8924422), (4303, 4917454), (4742, 4462211), (5627, 3760406), (8606, 2458727), (11254, 1880203), (13481, 1569602), (20191, 1047982), (26962, 784801), (30823, 686494), (40307, 524966), (40382, 523991), (61646, 343247), (73151, 289262), (80614, 262483), (144631, 146302)]