21233394

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 39246606

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 29, 39, 42, 54, 58, 63, 78, 87, 91, 117, 126, 149, 174, 182, 189, 203, 234, 261, 273, 298, 351, 377, 378, 406, 447, 522, 546, 609, 702, 754, 783, 819, 894, 1043, 1131, 1218, 1341, 1566, 1638, 1827, 1937, 2086, 2262, 2457, 2639, 2682, 3129, 3393, 3654, 3874, 4023, 4321, 4914, 5278, 5481, 5811, 6258, 6786, 7917, 8046, 8642, 9387, 10179, 10962, 11622, 12963, 13559, 15834, 17433, 18774, 20358, 23751, 25926, 27118, 28161, 30247, 34866, 38889, 40677, 47502, 52299, 56173, 56322, 60494, 71253, 77778, 81354, 90741, 104598, 112346, 116667, 122031, 142506, 168519, 181482, 233334, 244062, 272223, 337038, 366093, 393211, 505557, 544446, 732186, 786422, 816669, 1011114, 1179633, 1516671, 1633338, 2359266, 3033342, 3538899, 7077798, 10616697, 21233394]

約数ペア:

[(1, 21233394), (2, 10616697), (3, 7077798), (6, 3538899), (7, 3033342), (9, 2359266), (13, 1633338), (14, 1516671), (18, 1179633), (21, 1011114), (26, 816669), (27, 786422), (29, 732186), (39, 544446), (42, 505557), (54, 393211), (58, 366093), (63, 337038), (78, 272223), (87, 244062), (91, 233334), (117, 181482), (126, 168519), (149, 142506), (174, 122031), (182, 116667), (189, 112346), (203, 104598), (234, 90741), (261, 81354), (273, 77778), (298, 71253), (351, 60494), (377, 56322), (378, 56173), (406, 52299), (447, 47502), (522, 40677), (546, 38889), (609, 34866), (702, 30247), (754, 28161), (783, 27118), (819, 25926), (894, 23751), (1043, 20358), (1131, 18774), (1218, 17433), (1341, 15834), (1566, 13559), (1638, 12963), (1827, 11622), (1937, 10962), (2086, 10179), (2262, 9387), (2457, 8642), (2639, 8046), (2682, 7917), (3129, 6786), (3393, 6258), (3654, 5811), (3874, 5481), (4023, 5278), (4321, 4914)]