21094956

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 56565600

約数和(自身を除く): 35470644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 73, 92, 138, 146, 207, 219, 276, 292, 349, 414, 438, 657, 698, 828, 876, 1047, 1314, 1396, 1679, 2094, 2628, 3141, 3358, 4188, 5037, 6282, 6716, 8027, 10074, 12564, 15111, 16054, 20148, 24081, 25477, 30222, 32108, 48162, 50954, 60444, 72243, 76431, 96324, 101908, 144486, 152862, 229293, 288972, 305724, 458586, 585971, 917172, 1171942, 1757913, 2343884, 3515826, 5273739, 7031652, 10547478, 21094956]

約数ペア:

[(1, 21094956), (2, 10547478), (3, 7031652), (4, 5273739), (6, 3515826), (9, 2343884), (12, 1757913), (18, 1171942), (23, 917172), (36, 585971), (46, 458586), (69, 305724), (73, 288972), (92, 229293), (138, 152862), (146, 144486), (207, 101908), (219, 96324), (276, 76431), (292, 72243), (349, 60444), (414, 50954), (438, 48162), (657, 32108), (698, 30222), (828, 25477), (876, 24081), (1047, 20148), (1314, 16054), (1396, 15111), (1679, 12564), (2094, 10074), (2628, 8027), (3141, 6716), (3358, 6282), (4188, 5037)]