21456330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1231}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 59609088

約数和(自身を除く): 38152758

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 83, 105, 166, 210, 249, 415, 498, 581, 830, 1162, 1231, 1245, 1743, 2462, 2490, 2905, 3486, 3693, 5810, 6155, 7386, 8617, 8715, 12310, 17234, 17430, 18465, 25851, 36930, 43085, 51702, 86170, 102173, 129255, 204346, 258510, 306519, 510865, 613038, 715211, 1021730, 1430422, 1532595, 2145633, 3065190, 3576055, 4291266, 7152110, 10728165, 21456330]

約数ペア:

[(1, 21456330), (2, 10728165), (3, 7152110), (5, 4291266), (6, 3576055), (7, 3065190), (10, 2145633), (14, 1532595), (15, 1430422), (21, 1021730), (30, 715211), (35, 613038), (42, 510865), (70, 306519), (83, 258510), (105, 204346), (166, 129255), (210, 102173), (249, 86170), (415, 51702), (498, 43085), (581, 36930), (830, 25851), (1162, 18465), (1231, 17430), (1245, 17234), (1743, 12310), (2462, 8715), (2490, 8617), (2905, 7386), (3486, 6155), (3693, 5810)]