21873852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:648

約数の個数: 144

約数和(自身を含む): 74360832

約数和(自身を除く): 52486980

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 607, 693, 819, 858, 924, 1001, 1092, 1214, 1287, 1386, 1638, 1716, 1821, 2002, 2428, 2574, 2772, 3003, 3276, 3642, 4004, 4249, 5148, 5463, 6006, 6677, 7284, 7891, 8498, 9009, 10926, 12012, 12747, 13354, 15782, 16996, 18018, 20031, 21852, 23673, 25494, 26708, 31564, 36036, 38241, 40062, 46739, 47346, 50988, 55237, 60093, 71019, 76482, 80124, 86801, 93478, 94692, 110474, 120186, 140217, 142038, 152964, 165711, 173602, 186956, 220948, 240372, 260403, 280434, 284076, 331422, 347204, 420651, 497133, 520806, 560868, 607607, 662844, 781209, 841302, 994266, 1041612, 1215214, 1562418, 1682604, 1822821, 1988532, 2430428, 3124836, 3645642, 5468463, 7291284, 10936926, 21873852]

約数ペア:

[(1, 21873852), (2, 10936926), (3, 7291284), (4, 5468463), (6, 3645642), (7, 3124836), (9, 2430428), (11, 1988532), (12, 1822821), (13, 1682604), (14, 1562418), (18, 1215214), (21, 1041612), (22, 994266), (26, 841302), (28, 781209), (33, 662844), (36, 607607), (39, 560868), (42, 520806), (44, 497133), (52, 420651), (63, 347204), (66, 331422), (77, 284076), (78, 280434), (84, 260403), (91, 240372), (99, 220948), (117, 186956), (126, 173602), (132, 165711), (143, 152964), (154, 142038), (156, 140217), (182, 120186), (198, 110474), (231, 94692), (234, 93478), (252, 86801), (273, 80124), (286, 76482), (308, 71019), (364, 60093), (396, 55237), (429, 50988), (462, 47346), (468, 46739), (546, 40062), (572, 38241), (607, 36036), (693, 31564), (819, 26708), (858, 25494), (924, 23673), (1001, 21852), (1092, 20031), (1214, 18018), (1287, 16996), (1386, 15782), (1638, 13354), (1716, 12747), (1821, 12012), (2002, 10926), (2428, 9009), (2574, 8498), (2772, 7891), (3003, 7284), (3276, 6677), (3642, 6006), (4004, 5463), (4249, 5148)]