21477300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5507}}^1$

素因数の和:5537

約数の個数: 72

約数和(自身を含む): 66933216

約数和(自身を除く): 45455916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5507, 11014, 16521, 22028, 27535, 33042, 55070, 66084, 71591, 82605, 110140, 137675, 143182, 165210, 214773, 275350, 286364, 330420, 357955, 413025, 429546, 550700, 715910, 826050, 859092, 1073865, 1431820, 1652100, 1789775, 2147730, 3579550, 4295460, 5369325, 7159100, 10738650, 21477300]

約数ペア:

[(1, 21477300), (2, 10738650), (3, 7159100), (4, 5369325), (5, 4295460), (6, 3579550), (10, 2147730), (12, 1789775), (13, 1652100), (15, 1431820), (20, 1073865), (25, 859092), (26, 826050), (30, 715910), (39, 550700), (50, 429546), (52, 413025), (60, 357955), (65, 330420), (75, 286364), (78, 275350), (100, 214773), (130, 165210), (150, 143182), (156, 137675), (195, 110140), (260, 82605), (300, 71591), (325, 66084), (390, 55070), (650, 33042), (780, 27535), (975, 22028), (1300, 16521), (1950, 11014), (3900, 5507)]