21589974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:182

約数の個数: 72

約数和(自身を含む): 55381872

約数和(自身を除く): 33791898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 61, 63, 106, 122, 126, 159, 183, 318, 366, 371, 427, 477, 549, 742, 854, 954, 1098, 1113, 1281, 2226, 2562, 2809, 3233, 3339, 3843, 5618, 6466, 6678, 7686, 8427, 9699, 16854, 19398, 19663, 22631, 25281, 29097, 39326, 45262, 50562, 58194, 58989, 67893, 117978, 135786, 171349, 176967, 203679, 342698, 353934, 407358, 514047, 1028094, 1199443, 1542141, 2398886, 3084282, 3598329, 7196658, 10794987, 21589974]

約数ペア:

[(1, 21589974), (2, 10794987), (3, 7196658), (6, 3598329), (7, 3084282), (9, 2398886), (14, 1542141), (18, 1199443), (21, 1028094), (42, 514047), (53, 407358), (61, 353934), (63, 342698), (106, 203679), (122, 176967), (126, 171349), (159, 135786), (183, 117978), (318, 67893), (366, 58989), (371, 58194), (427, 50562), (477, 45262), (549, 39326), (742, 29097), (854, 25281), (954, 22631), (1098, 19663), (1113, 19398), (1281, 16854), (2226, 9699), (2562, 8427), (2809, 7686), (3233, 6678), (3339, 6466), (3843, 5618)]