21493944

素因数分解:

$2^3\times 3^3\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 60192000

約数和(自身を除く): 38698056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 151, 216, 302, 453, 604, 659, 906, 1208, 1318, 1359, 1812, 1977, 2636, 2718, 3624, 3954, 4077, 5272, 5436, 5931, 7908, 8154, 10872, 11862, 15816, 16308, 17793, 23724, 32616, 35586, 47448, 71172, 99509, 142344, 199018, 298527, 398036, 597054, 796072, 895581, 1194108, 1791162, 2388216, 2686743, 3582324, 5373486, 7164648, 10746972, 21493944]

約数ペア:

[(1, 21493944), (2, 10746972), (3, 7164648), (4, 5373486), (6, 3582324), (8, 2686743), (9, 2388216), (12, 1791162), (18, 1194108), (24, 895581), (27, 796072), (36, 597054), (54, 398036), (72, 298527), (108, 199018), (151, 142344), (216, 99509), (302, 71172), (453, 47448), (604, 35586), (659, 32616), (906, 23724), (1208, 17793), (1318, 16308), (1359, 15816), (1812, 11862), (1977, 10872), (2636, 8154), (2718, 7908), (3624, 5931), (3954, 5436), (4077, 5272)]