21713796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 108

約数和(自身を含む): 61549488

約数和(自身を除く): 39835692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 83, 86, 117, 129, 156, 166, 169, 172, 234, 249, 258, 332, 338, 387, 468, 498, 507, 516, 559, 676, 747, 774, 996, 1014, 1079, 1118, 1494, 1521, 1548, 1677, 2028, 2158, 2236, 2988, 3042, 3237, 3354, 3569, 4316, 5031, 6084, 6474, 6708, 7138, 7267, 9711, 10062, 10707, 12948, 14027, 14276, 14534, 19422, 20124, 21414, 21801, 28054, 29068, 32121, 38844, 42081, 42828, 43602, 46397, 56108, 64242, 65403, 84162, 87204, 92794, 126243, 128484, 130806, 139191, 168324, 185588, 252486, 261612, 278382, 417573, 504972, 556764, 603161, 835146, 1206322, 1670292, 1809483, 2412644, 3618966, 5428449, 7237932, 10856898, 21713796]

約数ペア:

[(1, 21713796), (2, 10856898), (3, 7237932), (4, 5428449), (6, 3618966), (9, 2412644), (12, 1809483), (13, 1670292), (18, 1206322), (26, 835146), (36, 603161), (39, 556764), (43, 504972), (52, 417573), (78, 278382), (83, 261612), (86, 252486), (117, 185588), (129, 168324), (156, 139191), (166, 130806), (169, 128484), (172, 126243), (234, 92794), (249, 87204), (258, 84162), (332, 65403), (338, 64242), (387, 56108), (468, 46397), (498, 43602), (507, 42828), (516, 42081), (559, 38844), (676, 32121), (747, 29068), (774, 28054), (996, 21801), (1014, 21414), (1079, 20124), (1118, 19422), (1494, 14534), (1521, 14276), (1548, 14027), (1677, 12948), (2028, 10707), (2158, 10062), (2236, 9711), (2988, 7267), (3042, 7138), (3237, 6708), (3354, 6474), (3569, 6084), (4316, 5031)]