21624012

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 57097040

約数和(自身を除く): 35473028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 172, 183, 229, 244, 258, 366, 387, 458, 516, 549, 687, 732, 774, 916, 1098, 1374, 1548, 2061, 2196, 2623, 2748, 4122, 5246, 7869, 8244, 9847, 10492, 13969, 15738, 19694, 23607, 27938, 29541, 31476, 39388, 41907, 47214, 55876, 59082, 83814, 88623, 94428, 118164, 125721, 167628, 177246, 251442, 354492, 502884, 600667, 1201334, 1802001, 2402668, 3604002, 5406003, 7208004, 10812006, 21624012]

約数ペア:

[(1, 21624012), (2, 10812006), (3, 7208004), (4, 5406003), (6, 3604002), (9, 2402668), (12, 1802001), (18, 1201334), (36, 600667), (43, 502884), (61, 354492), (86, 251442), (122, 177246), (129, 167628), (172, 125721), (183, 118164), (229, 94428), (244, 88623), (258, 83814), (366, 59082), (387, 55876), (458, 47214), (516, 41907), (549, 39388), (687, 31476), (732, 29541), (774, 27938), (916, 23607), (1098, 19694), (1374, 15738), (1548, 13969), (2061, 10492), (2196, 9847), (2623, 8244), (2748, 7869), (4122, 5246)]