21063354

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 27320646

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 59, 69, 78, 118, 138, 177, 199, 299, 354, 398, 597, 598, 767, 897, 1194, 1357, 1534, 1794, 2301, 2587, 2714, 4071, 4577, 4602, 5174, 7761, 8142, 9154, 11741, 13731, 15522, 17641, 23482, 27462, 35223, 35282, 52923, 59501, 70446, 105846, 119002, 152633, 178503, 270043, 305266, 357006, 457899, 540086, 810129, 915798, 1620258, 3510559, 7021118, 10531677, 21063354]

約数ペア:

[(1, 21063354), (2, 10531677), (3, 7021118), (6, 3510559), (13, 1620258), (23, 915798), (26, 810129), (39, 540086), (46, 457899), (59, 357006), (69, 305266), (78, 270043), (118, 178503), (138, 152633), (177, 119002), (199, 105846), (299, 70446), (354, 59501), (398, 52923), (597, 35282), (598, 35223), (767, 27462), (897, 23482), (1194, 17641), (1357, 15522), (1534, 13731), (1794, 11741), (2301, 9154), (2587, 8142), (2714, 7761), (4071, 5174), (4577, 4602)]