21477811788

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{577}}^1\times {\mathrm{25219}}^1$

素因数の和:25847

約数の個数: 72

約数和(自身を含む): 55713905520

約数和(自身を除く): 34236093732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 577, 738, 1154, 1476, 1731, 2308, 3462, 5193, 6924, 10386, 20772, 23657, 25219, 47314, 50438, 70971, 75657, 94628, 100876, 141942, 151314, 212913, 226971, 283884, 302628, 425826, 453942, 851652, 907884, 1033979, 2067958, 3101937, 4135916, 6203874, 9305811, 12407748, 14551363, 18611622, 29102726, 37223244, 43654089, 58205452, 87308178, 130962267, 174616356, 261924534, 523849068, 596605883, 1193211766, 1789817649, 2386423532, 3579635298, 5369452947, 7159270596, 10738905894, 21477811788]

約数ペア:

[(1, 21477811788), (2, 10738905894), (3, 7159270596), (4, 5369452947), (6, 3579635298), (9, 2386423532), (12, 1789817649), (18, 1193211766), (36, 596605883), (41, 523849068), (82, 261924534), (123, 174616356), (164, 130962267), (246, 87308178), (369, 58205452), (492, 43654089), (577, 37223244), (738, 29102726), (1154, 18611622), (1476, 14551363), (1731, 12407748), (2308, 9305811), (3462, 6203874), (5193, 4135916), (6924, 3101937), (10386, 2067958), (20772, 1033979), (23657, 907884), (25219, 851652), (47314, 453942), (50438, 425826), (70971, 302628), (75657, 283884), (94628, 226971), (100876, 212913), (141942, 151314)]