21173832

素因数分解:

$2^3\times 3^3\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1683

約数の個数: 64

約数和(自身を含む): 59817600

約数和(自身を除く): 38643768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 108, 122, 183, 216, 244, 366, 488, 549, 732, 1098, 1464, 1607, 1647, 2196, 3214, 3294, 4392, 4821, 6428, 6588, 9642, 12856, 13176, 14463, 19284, 28926, 38568, 43389, 57852, 86778, 98027, 115704, 173556, 196054, 294081, 347112, 392108, 588162, 784216, 882243, 1176324, 1764486, 2352648, 2646729, 3528972, 5293458, 7057944, 10586916, 21173832]

約数ペア:

[(1, 21173832), (2, 10586916), (3, 7057944), (4, 5293458), (6, 3528972), (8, 2646729), (9, 2352648), (12, 1764486), (18, 1176324), (24, 882243), (27, 784216), (36, 588162), (54, 392108), (61, 347112), (72, 294081), (108, 196054), (122, 173556), (183, 115704), (216, 98027), (244, 86778), (366, 57852), (488, 43389), (549, 38568), (732, 28926), (1098, 19284), (1464, 14463), (1607, 13176), (1647, 12856), (2196, 9642), (3214, 6588), (3294, 6428), (4392, 4821)]