21244392

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22697}}^1$

素因数の和:22722

約数の個数: 48

約数和(自身を含む): 61965540

約数和(自身を除く): 40721148

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22697, 45394, 68091, 90788, 136182, 181576, 204273, 272364, 295061, 408546, 544728, 590122, 817092, 885183, 1180244, 1634184, 1770366, 2360488, 2655549, 3540732, 5311098, 7081464, 10622196, 21244392]

約数ペア:

[(1, 21244392), (2, 10622196), (3, 7081464), (4, 5311098), (6, 3540732), (8, 2655549), (9, 2360488), (12, 1770366), (13, 1634184), (18, 1180244), (24, 885183), (26, 817092), (36, 590122), (39, 544728), (52, 408546), (72, 295061), (78, 272364), (104, 204273), (117, 181576), (156, 136182), (234, 90788), (312, 68091), (468, 45394), (936, 22697)]