21873750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:351

約数の個数: 80

約数和(自身を含む): 57731520

約数和(自身を除く): 35857770

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 285, 307, 375, 475, 570, 614, 625, 750, 921, 950, 1250, 1425, 1535, 1842, 1875, 2375, 2850, 3070, 3750, 4605, 4750, 5833, 7125, 7675, 9210, 11666, 11875, 14250, 15350, 17499, 23025, 23750, 29165, 34998, 35625, 38375, 46050, 58330, 71250, 76750, 87495, 115125, 145825, 174990, 191875, 230250, 291650, 383750, 437475, 575625, 729125, 874950, 1151250, 1458250, 2187375, 3645625, 4374750, 7291250, 10936875, 21873750]

約数ペア:

[(1, 21873750), (2, 10936875), (3, 7291250), (5, 4374750), (6, 3645625), (10, 2187375), (15, 1458250), (19, 1151250), (25, 874950), (30, 729125), (38, 575625), (50, 437475), (57, 383750), (75, 291650), (95, 230250), (114, 191875), (125, 174990), (150, 145825), (190, 115125), (250, 87495), (285, 76750), (307, 71250), (375, 58330), (475, 46050), (570, 38375), (614, 35625), (625, 34998), (750, 29165), (921, 23750), (950, 23025), (1250, 17499), (1425, 15350), (1535, 14250), (1842, 11875), (1875, 11666), (2375, 9210), (2850, 7675), (3070, 7125), (3750, 5833), (4605, 4750)]