21985848

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 62337600

約数和(自身を除く): 40351752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 73, 89, 94, 141, 146, 178, 188, 219, 267, 282, 292, 356, 376, 423, 438, 534, 564, 584, 657, 712, 801, 846, 876, 1068, 1128, 1314, 1602, 1692, 1752, 2136, 2628, 3204, 3384, 3431, 4183, 5256, 6408, 6497, 6862, 8366, 10293, 12549, 12994, 13724, 16732, 19491, 20586, 25098, 25988, 27448, 30879, 33464, 37647, 38982, 41172, 50196, 51976, 58473, 61758, 75294, 77964, 82344, 100392, 116946, 123516, 150588, 155928, 233892, 247032, 301176, 305359, 467784, 610718, 916077, 1221436, 1832154, 2442872, 2748231, 3664308, 5496462, 7328616, 10992924, 21985848]

約数ペア:

[(1, 21985848), (2, 10992924), (3, 7328616), (4, 5496462), (6, 3664308), (8, 2748231), (9, 2442872), (12, 1832154), (18, 1221436), (24, 916077), (36, 610718), (47, 467784), (72, 305359), (73, 301176), (89, 247032), (94, 233892), (141, 155928), (146, 150588), (178, 123516), (188, 116946), (219, 100392), (267, 82344), (282, 77964), (292, 75294), (356, 61758), (376, 58473), (423, 51976), (438, 50196), (534, 41172), (564, 38982), (584, 37647), (657, 33464), (712, 30879), (801, 27448), (846, 25988), (876, 25098), (1068, 20586), (1128, 19491), (1314, 16732), (1602, 13724), (1692, 12994), (1752, 12549), (2136, 10293), (2628, 8366), (3204, 6862), (3384, 6497), (3431, 6408), (4183, 5256)]