21131243042

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1087}}^1\times {\mathrm{15259}}^1$

素因数の和:16375

約数の個数: 48

約数和(自身を含む): 39747294720

約数和(自身を除く): 18616051678

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1087, 1274, 2174, 7609, 14131, 15218, 15259, 28262, 30518, 53263, 98917, 106526, 106813, 197834, 198367, 213626, 396734, 692419, 747691, 1384838, 1388569, 1495382, 2777138, 9719983, 16586533, 19439966, 33173066, 116105731, 215624929, 232211462, 431249858, 812740117, 1509374503, 1625480234, 3018749006, 10565621521, 21131243042]

約数ペア:

[(1, 21131243042), (2, 10565621521), (7, 3018749006), (13, 1625480234), (14, 1509374503), (26, 812740117), (49, 431249858), (91, 232211462), (98, 215624929), (182, 116105731), (637, 33173066), (1087, 19439966), (1274, 16586533), (2174, 9719983), (7609, 2777138), (14131, 1495382), (15218, 1388569), (15259, 1384838), (28262, 747691), (30518, 692419), (53263, 396734), (98917, 213626), (106526, 198367), (106813, 197834)]