21590292

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 30482988

約数列:

[1, 2, 3, 4, 6, 12, 53, 83, 106, 159, 166, 212, 249, 318, 332, 409, 498, 636, 818, 996, 1227, 1636, 2454, 4399, 4908, 8798, 13197, 17596, 21677, 26394, 33947, 43354, 52788, 65031, 67894, 86708, 101841, 130062, 135788, 203682, 260124, 407364, 1799191, 3598382, 5397573, 7196764, 10795146, 21590292]

約数ペア:

[(1, 21590292), (2, 10795146), (3, 7196764), (4, 5397573), (6, 3598382), (12, 1799191), (53, 407364), (83, 260124), (106, 203682), (159, 135788), (166, 130062), (212, 101841), (249, 86708), (318, 67894), (332, 65031), (409, 52788), (498, 43354), (636, 33947), (818, 26394), (996, 21677), (1227, 17596), (1636, 13197), (2454, 8798), (4399, 4908)]