21683844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6619}}^1$

素因数の和:6649

約数の個数: 72

約数和(自身を含む): 67471040

約数和(自身を除く): 45787196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6619, 13238, 19857, 26476, 39714, 46333, 59571, 79428, 86047, 92666, 119142, 138999, 172094, 185332, 238284, 258141, 277998, 344188, 416997, 516282, 555996, 602329, 774423, 833994, 1032564, 1204658, 1548846, 1667988, 1806987, 2409316, 3097692, 3613974, 5420961, 7227948, 10841922, 21683844]

約数ペア:

[(1, 21683844), (2, 10841922), (3, 7227948), (4, 5420961), (6, 3613974), (7, 3097692), (9, 2409316), (12, 1806987), (13, 1667988), (14, 1548846), (18, 1204658), (21, 1032564), (26, 833994), (28, 774423), (36, 602329), (39, 555996), (42, 516282), (52, 416997), (63, 344188), (78, 277998), (84, 258141), (91, 238284), (117, 185332), (126, 172094), (156, 138999), (182, 119142), (234, 92666), (252, 86047), (273, 79428), (364, 59571), (468, 46333), (546, 39714), (819, 26476), (1092, 19857), (1638, 13238), (3276, 6619)]