21221910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 58631040

約数和(自身を除く): 37409130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 47, 58, 87, 90, 94, 141, 145, 173, 174, 235, 261, 282, 290, 346, 423, 435, 470, 519, 522, 705, 846, 865, 870, 1038, 1305, 1363, 1410, 1557, 1730, 2115, 2595, 2610, 2726, 3114, 4089, 4230, 5017, 5190, 6815, 7785, 8131, 8178, 10034, 12267, 13630, 15051, 15570, 16262, 20445, 24393, 24534, 25085, 30102, 40655, 40890, 45153, 48786, 50170, 61335, 73179, 75255, 81310, 90306, 121965, 122670, 146358, 150510, 225765, 235799, 243930, 365895, 451530, 471598, 707397, 731790, 1178995, 1414794, 2122191, 2357990, 3536985, 4244382, 7073970, 10610955, 21221910]

約数ペア:

[(1, 21221910), (2, 10610955), (3, 7073970), (5, 4244382), (6, 3536985), (9, 2357990), (10, 2122191), (15, 1414794), (18, 1178995), (29, 731790), (30, 707397), (45, 471598), (47, 451530), (58, 365895), (87, 243930), (90, 235799), (94, 225765), (141, 150510), (145, 146358), (173, 122670), (174, 121965), (235, 90306), (261, 81310), (282, 75255), (290, 73179), (346, 61335), (423, 50170), (435, 48786), (470, 45153), (519, 40890), (522, 40655), (705, 30102), (846, 25085), (865, 24534), (870, 24393), (1038, 20445), (1305, 16262), (1363, 15570), (1410, 15051), (1557, 13630), (1730, 12267), (2115, 10034), (2595, 8178), (2610, 8131), (2726, 7785), (3114, 6815), (4089, 5190), (4230, 5017)]