21291031676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{593}}^1\times {\mathrm{1879}}^1$

素因数の和:2774

約数の個数: 48

約数和(自身を含む): 39679295040

約数和(自身を除く): 18388263364

約数列:

[1, 2, 4, 17, 34, 68, 281, 562, 593, 1124, 1186, 1879, 2372, 3758, 4777, 7516, 9554, 10081, 19108, 20162, 31943, 40324, 63886, 127772, 166633, 333266, 527999, 666532, 1055998, 1114247, 2111996, 2228494, 2832761, 4456988, 5665522, 8975983, 11331044, 17951966, 18942199, 35903932, 37884398, 75768796, 313103407, 626206814, 1252413628, 5322757919, 10645515838, 21291031676]

約数ペア:

[(1, 21291031676), (2, 10645515838), (4, 5322757919), (17, 1252413628), (34, 626206814), (68, 313103407), (281, 75768796), (562, 37884398), (593, 35903932), (1124, 18942199), (1186, 17951966), (1879, 11331044), (2372, 8975983), (3758, 5665522), (4777, 4456988), (7516, 2832761), (9554, 2228494), (10081, 2111996), (19108, 1114247), (20162, 1055998), (31943, 666532), (40324, 527999), (63886, 333266), (127772, 166633)]