21262710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 62242560

約数和(自身を除く): 40979850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 73, 95, 105, 114, 133, 146, 190, 210, 219, 266, 285, 365, 399, 438, 511, 570, 665, 730, 798, 1022, 1095, 1330, 1387, 1533, 1995, 2190, 2555, 2774, 3066, 3990, 4161, 5110, 5329, 6935, 7665, 8322, 9709, 10658, 13870, 15330, 15987, 19418, 20805, 26645, 29127, 31974, 37303, 41610, 48545, 53290, 58254, 74606, 79935, 97090, 101251, 111909, 145635, 159870, 186515, 202502, 223818, 291270, 303753, 373030, 506255, 559545, 607506, 708757, 1012510, 1119090, 1417514, 1518765, 2126271, 3037530, 3543785, 4252542, 7087570, 10631355, 21262710]

約数ペア:

[(1, 21262710), (2, 10631355), (3, 7087570), (5, 4252542), (6, 3543785), (7, 3037530), (10, 2126271), (14, 1518765), (15, 1417514), (19, 1119090), (21, 1012510), (30, 708757), (35, 607506), (38, 559545), (42, 506255), (57, 373030), (70, 303753), (73, 291270), (95, 223818), (105, 202502), (114, 186515), (133, 159870), (146, 145635), (190, 111909), (210, 101251), (219, 97090), (266, 79935), (285, 74606), (365, 58254), (399, 53290), (438, 48545), (511, 41610), (570, 37303), (665, 31974), (730, 29127), (798, 26645), (1022, 20805), (1095, 19418), (1330, 15987), (1387, 15330), (1533, 13870), (1995, 10658), (2190, 9709), (2555, 8322), (2774, 7665), (3066, 6935), (3990, 5329), (4161, 5110)]