21574938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 59222016

約数和(自身を除く): 37647078

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 41, 42, 51, 66, 67, 77, 82, 102, 119, 123, 134, 154, 187, 201, 231, 238, 246, 287, 357, 374, 402, 451, 462, 469, 561, 574, 697, 714, 737, 861, 902, 938, 1122, 1139, 1309, 1353, 1394, 1407, 1474, 1722, 2091, 2211, 2278, 2618, 2706, 2747, 2814, 3157, 3417, 3927, 4182, 4422, 4879, 5159, 5494, 6314, 6834, 7667, 7854, 7973, 8241, 9471, 9758, 10318, 12529, 14637, 15334, 15477, 15946, 16482, 18942, 19229, 23001, 23919, 25058, 29274, 30217, 30954, 37587, 38458, 46002, 46699, 47838, 53669, 57687, 60434, 75174, 87703, 90651, 93398, 107338, 115374, 140097, 161007, 175406, 181302, 211519, 263109, 280194, 322014, 326893, 423038, 513689, 526218, 634557, 653786, 980679, 1027378, 1269114, 1541067, 1961358, 3082134, 3595823, 7191646, 10787469, 21574938]

約数ペア:

[(1, 21574938), (2, 10787469), (3, 7191646), (6, 3595823), (7, 3082134), (11, 1961358), (14, 1541067), (17, 1269114), (21, 1027378), (22, 980679), (33, 653786), (34, 634557), (41, 526218), (42, 513689), (51, 423038), (66, 326893), (67, 322014), (77, 280194), (82, 263109), (102, 211519), (119, 181302), (123, 175406), (134, 161007), (154, 140097), (187, 115374), (201, 107338), (231, 93398), (238, 90651), (246, 87703), (287, 75174), (357, 60434), (374, 57687), (402, 53669), (451, 47838), (462, 46699), (469, 46002), (561, 38458), (574, 37587), (697, 30954), (714, 30217), (737, 29274), (861, 25058), (902, 23919), (938, 23001), (1122, 19229), (1139, 18942), (1309, 16482), (1353, 15946), (1394, 15477), (1407, 15334), (1474, 14637), (1722, 12529), (2091, 10318), (2211, 9758), (2278, 9471), (2618, 8241), (2706, 7973), (2747, 7854), (2814, 7667), (3157, 6834), (3417, 6314), (3927, 5494), (4182, 5159), (4422, 4879)]