21333006045

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{311681}}^1$

素因数の和:311724

約数の個数: 60

約数和(自身を含む): 41409447156

約数和(自身を除く): 20076441111

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 169, 195, 351, 405, 507, 585, 845, 1053, 1521, 1755, 2535, 4563, 5265, 7605, 13689, 22815, 68445, 311681, 935043, 1558405, 2805129, 4051853, 4675215, 8415387, 12155559, 14025645, 20259265, 25246161, 36466677, 42076935, 52674089, 60777795, 109400031, 126230805, 158022267, 182333385, 263370445, 328200093, 474066801, 547000155, 790111335, 1422200403, 1641000465, 2370334005, 4266601209, 7111002015, 21333006045]

約数ペア:

[(1, 21333006045), (3, 7111002015), (5, 4266601209), (9, 2370334005), (13, 1641000465), (15, 1422200403), (27, 790111335), (39, 547000155), (45, 474066801), (65, 328200093), (81, 263370445), (117, 182333385), (135, 158022267), (169, 126230805), (195, 109400031), (351, 60777795), (405, 52674089), (507, 42076935), (585, 36466677), (845, 25246161), (1053, 20259265), (1521, 14025645), (1755, 12155559), (2535, 8415387), (4563, 4675215), (5265, 4051853), (7605, 2805129), (13689, 1558405), (22815, 935043), (68445, 311681)]