21957930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 38694870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 47, 58, 87, 90, 94, 141, 145, 174, 179, 235, 261, 282, 290, 358, 423, 435, 470, 522, 537, 705, 846, 870, 895, 1074, 1305, 1363, 1410, 1611, 1790, 2115, 2610, 2685, 2726, 3222, 4089, 4230, 5191, 5370, 6815, 8055, 8178, 8413, 10382, 12267, 13630, 15573, 16110, 16826, 20445, 24534, 25239, 25955, 31146, 40890, 42065, 46719, 50478, 51910, 61335, 75717, 77865, 84130, 93438, 122670, 126195, 151434, 155730, 233595, 243977, 252390, 378585, 467190, 487954, 731931, 757170, 1219885, 1463862, 2195793, 2439770, 3659655, 4391586, 7319310, 10978965, 21957930]

約数ペア:

[(1, 21957930), (2, 10978965), (3, 7319310), (5, 4391586), (6, 3659655), (9, 2439770), (10, 2195793), (15, 1463862), (18, 1219885), (29, 757170), (30, 731931), (45, 487954), (47, 467190), (58, 378585), (87, 252390), (90, 243977), (94, 233595), (141, 155730), (145, 151434), (174, 126195), (179, 122670), (235, 93438), (261, 84130), (282, 77865), (290, 75717), (358, 61335), (423, 51910), (435, 50478), (470, 46719), (522, 42065), (537, 40890), (705, 31146), (846, 25955), (870, 25239), (895, 24534), (1074, 20445), (1305, 16826), (1363, 16110), (1410, 15573), (1611, 13630), (1790, 12267), (2115, 10382), (2610, 8413), (2685, 8178), (2726, 8055), (3222, 6815), (4089, 5370), (4230, 5191)]