21416490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 58496256

約数和(自身を除く): 37079766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 61, 83, 90, 94, 122, 141, 166, 183, 235, 249, 282, 305, 366, 415, 423, 470, 498, 549, 610, 705, 747, 830, 846, 915, 1098, 1245, 1410, 1494, 1830, 2115, 2490, 2745, 2867, 3735, 3901, 4230, 5063, 5490, 5734, 7470, 7802, 8601, 10126, 11703, 14335, 15189, 17202, 19505, 23406, 25315, 25803, 28670, 30378, 35109, 39010, 43005, 45567, 50630, 51606, 58515, 70218, 75945, 86010, 91134, 117030, 129015, 151890, 175545, 227835, 237961, 258030, 351090, 455670, 475922, 713883, 1189805, 1427766, 2141649, 2379610, 3569415, 4283298, 7138830, 10708245, 21416490]

約数ペア:

[(1, 21416490), (2, 10708245), (3, 7138830), (5, 4283298), (6, 3569415), (9, 2379610), (10, 2141649), (15, 1427766), (18, 1189805), (30, 713883), (45, 475922), (47, 455670), (61, 351090), (83, 258030), (90, 237961), (94, 227835), (122, 175545), (141, 151890), (166, 129015), (183, 117030), (235, 91134), (249, 86010), (282, 75945), (305, 70218), (366, 58515), (415, 51606), (423, 50630), (470, 45567), (498, 43005), (549, 39010), (610, 35109), (705, 30378), (747, 28670), (830, 25803), (846, 25315), (915, 23406), (1098, 19505), (1245, 17202), (1410, 15189), (1494, 14335), (1830, 11703), (2115, 10126), (2490, 8601), (2745, 7802), (2867, 7470), (3735, 5734), (3901, 5490), (4230, 5063)]