21603570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 33554190

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 151, 190, 251, 285, 302, 453, 502, 570, 753, 755, 906, 1255, 1506, 1510, 2265, 2510, 2869, 3765, 4530, 4769, 5738, 7530, 8607, 9538, 14307, 14345, 17214, 23845, 28614, 28690, 37901, 43035, 47690, 71535, 75802, 86070, 113703, 143070, 189505, 227406, 379010, 568515, 720119, 1137030, 1440238, 2160357, 3600595, 4320714, 7201190, 10801785, 21603570]

約数ペア:

[(1, 21603570), (2, 10801785), (3, 7201190), (5, 4320714), (6, 3600595), (10, 2160357), (15, 1440238), (19, 1137030), (30, 720119), (38, 568515), (57, 379010), (95, 227406), (114, 189505), (151, 143070), (190, 113703), (251, 86070), (285, 75802), (302, 71535), (453, 47690), (502, 43035), (570, 37901), (753, 28690), (755, 28614), (906, 23845), (1255, 17214), (1506, 14345), (1510, 14307), (2265, 9538), (2510, 8607), (2869, 7530), (3765, 5738), (4530, 4769)]