21359000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 35250280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 53, 62, 65, 100, 104, 106, 124, 125, 130, 155, 200, 212, 248, 250, 260, 265, 310, 325, 403, 424, 500, 520, 530, 620, 650, 689, 775, 806, 1000, 1060, 1240, 1300, 1325, 1378, 1550, 1612, 1625, 1643, 2015, 2120, 2600, 2650, 2756, 3100, 3224, 3250, 3286, 3445, 3875, 4030, 5300, 5512, 6200, 6500, 6572, 6625, 6890, 7750, 8060, 8215, 10075, 10600, 13000, 13144, 13250, 13780, 15500, 16120, 16430, 17225, 20150, 21359, 26500, 27560, 31000, 32860, 34450, 40300, 41075, 42718, 50375, 53000, 65720, 68900, 80600, 82150, 85436, 86125, 100750, 106795, 137800, 164300, 170872, 172250, 201500, 205375, 213590, 328600, 344500, 403000, 410750, 427180, 533975, 689000, 821500, 854360, 1067950, 1643000, 2135900, 2669875, 4271800, 5339750, 10679500, 21359000]

約数ペア:

[(1, 21359000), (2, 10679500), (4, 5339750), (5, 4271800), (8, 2669875), (10, 2135900), (13, 1643000), (20, 1067950), (25, 854360), (26, 821500), (31, 689000), (40, 533975), (50, 427180), (52, 410750), (53, 403000), (62, 344500), (65, 328600), (100, 213590), (104, 205375), (106, 201500), (124, 172250), (125, 170872), (130, 164300), (155, 137800), (200, 106795), (212, 100750), (248, 86125), (250, 85436), (260, 82150), (265, 80600), (310, 68900), (325, 65720), (403, 53000), (424, 50375), (500, 42718), (520, 41075), (530, 40300), (620, 34450), (650, 32860), (689, 31000), (775, 27560), (806, 26500), (1000, 21359), (1060, 20150), (1240, 17225), (1300, 16430), (1325, 16120), (1378, 15500), (1550, 13780), (1612, 13250), (1625, 13144), (1643, 13000), (2015, 10600), (2120, 10075), (2600, 8215), (2650, 8060), (2756, 7750), (3100, 6890), (3224, 6625), (3250, 6572), (3286, 6500), (3445, 6200), (3875, 5512), (4030, 5300)]