21695400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 77255100

約数和(自身を除く): 55559700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 50, 51, 60, 68, 72, 75, 85, 90, 100, 102, 120, 136, 150, 153, 170, 180, 200, 204, 225, 255, 300, 306, 340, 360, 408, 425, 450, 510, 600, 612, 680, 709, 765, 850, 900, 1020, 1224, 1275, 1418, 1530, 1700, 1800, 2040, 2127, 2550, 2836, 3060, 3400, 3545, 3825, 4254, 5100, 5672, 6120, 6381, 7090, 7650, 8508, 10200, 10635, 12053, 12762, 14180, 15300, 17016, 17725, 21270, 24106, 25524, 28360, 30600, 31905, 35450, 36159, 42540, 48212, 51048, 53175, 60265, 63810, 70900, 72318, 85080, 96424, 106350, 108477, 120530, 127620, 141800, 144636, 159525, 180795, 212700, 216954, 241060, 255240, 289272, 301325, 319050, 361590, 425400, 433908, 482120, 542385, 602650, 638100, 723180, 867816, 903975, 1084770, 1205300, 1276200, 1446360, 1807950, 2169540, 2410600, 2711925, 3615900, 4339080, 5423850, 7231800, 10847700, 21695400]

約数ペア:

[(1, 21695400), (2, 10847700), (3, 7231800), (4, 5423850), (5, 4339080), (6, 3615900), (8, 2711925), (9, 2410600), (10, 2169540), (12, 1807950), (15, 1446360), (17, 1276200), (18, 1205300), (20, 1084770), (24, 903975), (25, 867816), (30, 723180), (34, 638100), (36, 602650), (40, 542385), (45, 482120), (50, 433908), (51, 425400), (60, 361590), (68, 319050), (72, 301325), (75, 289272), (85, 255240), (90, 241060), (100, 216954), (102, 212700), (120, 180795), (136, 159525), (150, 144636), (153, 141800), (170, 127620), (180, 120530), (200, 108477), (204, 106350), (225, 96424), (255, 85080), (300, 72318), (306, 70900), (340, 63810), (360, 60265), (408, 53175), (425, 51048), (450, 48212), (510, 42540), (600, 36159), (612, 35450), (680, 31905), (709, 30600), (765, 28360), (850, 25524), (900, 24106), (1020, 21270), (1224, 17725), (1275, 17016), (1418, 15300), (1530, 14180), (1700, 12762), (1800, 12053), (2040, 10635), (2127, 10200), (2550, 8508), (2836, 7650), (3060, 7090), (3400, 6381), (3545, 6120), (3825, 5672), (4254, 5100)]